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href="/next/chromium-support">Chromium Support</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/next/troubleshooting">Troubleshooting</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/next/contributing">Contributing</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/next/faq">FAQ</a></li></ul></nav></div></aside><main class="docMainContainer_gTbr"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_VOVn"><div class="theme-doc-version-banner alert alert--warning margin-bottom--md" role="alert"><div>This is unreleased documentation for <!-- -->Puppeteer<!-- --> <b>Next</b> version.</div><div class="margin-top--md">For up-to-date documentation, see the <b><a href="/">latest version</a></b> (<!-- -->19.4.0<!-- -->).</div></div><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_OVgt"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Puppeteer</span><meta itemprop="position" content="1"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: Next</span><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><h1>Puppeteer</h1><p><a href="https://github.com/puppeteer/puppeteer/actions?query=workflow%3ACI" target="_blank" rel="noopener noreferrer"><img loading="lazy" src="https://github.com/puppeteer/puppeteer/workflows/CI/badge.svg" alt="Build status" class="img_ev3q"></a>
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<a href="https://npmjs.org/package/puppeteer" target="_blank" rel="noopener noreferrer"><img loading="lazy" src="https://img.shields.io/npm/v/puppeteer.svg" alt="npm puppeteer package" class="img_ev3q"></a></p><img loading="lazy" src="https://user-images.githubusercontent.com/10379601/29446482-04f7036a-841f-11e7-9872-91d1fc2ea683.png" height="200" align="right" class="img_ev3q"><h4 class="anchor anchorWithStickyNavbar_LWe7" id="guides--api--faq--contributing--troubleshooting"><a href="https://pptr.dev/category/guides" target="_blank" rel="noopener noreferrer">Guides</a> | <a href="https://pptr.dev/api" target="_blank" rel="noopener noreferrer">API</a> | <a href="https://pptr.dev/faq" target="_blank" rel="noopener noreferrer">FAQ</a> | <a href="https://pptr.dev/contributing" target="_blank" rel="noopener noreferrer">Contributing</a> | <a href="https://pptr.dev/troubleshooting" target="_blank" rel="noopener noreferrer">Troubleshooting</a><a class="hash-link" href="#guides--api--faq--contributing--troubleshooting" title="Direct link to heading"></a></h4><blockquote><p>Puppeteer is a Node.js library which provides a high-level API to control
|
||
Chrome/Chromium over the
|
||
<a href="https://chromedevtools.github.io/devtools-protocol/" target="_blank" rel="noopener noreferrer">DevTools Protocol</a>.
|
||
Puppeteer runs in
|
||
<a href="https://developers.google.com/web/updates/2017/04/headless-chrome" target="_blank" rel="noopener noreferrer">headless</a>
|
||
mode by default, but can be configured to run in full (non-headless)
|
||
Chrome/Chromium.</p></blockquote><h4 class="anchor anchorWithStickyNavbar_LWe7" id="what-can-i-do">What can I do?<a class="hash-link" href="#what-can-i-do" title="Direct link to heading"></a></h4><p>Most things that you can do manually in the browser can be done using Puppeteer!
|
||
Here are a few examples to get you started:</p><ul><li>Generate screenshots and PDFs of pages.</li><li>Crawl a SPA (Single-Page Application) and generate pre-rendered content (i.e.
|
||
"SSR" (Server-Side Rendering)).</li><li>Automate form submission, UI testing, keyboard input, etc.</li><li>Create an automated testing environment using the latest JavaScript and
|
||
browser features.</li><li>Capture a
|
||
<a href="https://developers.google.com/web/tools/chrome-devtools/evaluate-performance/reference" target="_blank" rel="noopener noreferrer">timeline trace</a>
|
||
of your site to help diagnose performance issues.</li><li>Test Chrome Extensions.</li></ul><h2 class="anchor anchorWithStickyNavbar_LWe7" id="getting-started">Getting Started<a class="hash-link" href="#getting-started" title="Direct link to heading"></a></h2><h3 class="anchor anchorWithStickyNavbar_LWe7" id="installation">Installation<a class="hash-link" href="#installation" title="Direct link to heading"></a></h3><p>To use Puppeteer in your project, run:</p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token function" style="color:#d73a49">npm</span><span class="token plain"> i puppeteer</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token comment" style="color:#999988;font-style:italic"># or `yarn add puppeteer`</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token comment" style="color:#999988;font-style:italic"># or `pnpm i puppeteer`</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>When you install Puppeteer, it automatically downloads a recent version of
|
||
Chromium (~170MB macOS, ~282MB Linux, ~280MB Windows) that is
|
||
<a href="https://pptr.dev/faq#q-why-doesnt-puppeteer-vxxx-work-with-chromium-vyyy" target="_blank" rel="noopener noreferrer">guaranteed to work</a>
|
||
with Puppeteer. For a version of Puppeteer without installation, see
|
||
<a href="#puppeteer-core"><code>puppeteer-core</code></a>.</p><h4 class="anchor anchorWithStickyNavbar_LWe7" id="configuration">Configuration<a class="hash-link" href="#configuration" title="Direct link to heading"></a></h4><p>Puppeteer uses several defaults that can be customized through configuration
|
||
files.</p><p>For example, to change the default cache directory Puppeteer uses to install
|
||
browsers, you can add a <code>.puppeteerrc.cjs</code> (or <code>puppeteer.config.cjs</code>) at the
|
||
root of your application with the contents</p><div class="language-js codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-js codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">const</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain">join</span><span class="token punctuation" style="color:#393A34">}</span><span class="token plain"> </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token function" style="color:#d73a49">require</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string" style="color:#e3116c">'path'</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token comment" style="color:#999988;font-style:italic">/**</span><br></span><span class="token-line" style="color:#393A34"><span class="token comment" style="color:#999988;font-style:italic"> * @type {import("puppeteer").Configuration}</span><br></span><span class="token-line" style="color:#393A34"><span class="token comment" style="color:#999988;font-style:italic"> */</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">module</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access">exports</span><span class="token plain"> </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token comment" style="color:#999988;font-style:italic">// Changes the cache location for Puppeteer.</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token literal-property property" style="color:#36acaa">cacheDirectory</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token function" style="color:#d73a49">join</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">__dirname</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">'.cache'</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">'puppeteer'</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token punctuation" style="color:#393A34">}</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>After adding the configuration file, you will need to remove and reinstall
|
||
<code>puppeteer</code> for it to take effect.</p><p>See the <a href="https://pptr.dev/guides/configuration" target="_blank" rel="noopener noreferrer">configuration guide</a> for more
|
||
information.</p><h4 class="anchor anchorWithStickyNavbar_LWe7" id="puppeteer-core"><code>puppeteer-core</code><a class="hash-link" href="#puppeteer-core" title="Direct link to heading"></a></h4><p>Every release since v1.7.0 we publish two packages:</p><ul><li><a href="https://www.npmjs.com/package/puppeteer" target="_blank" rel="noopener noreferrer"><code>puppeteer</code></a></li><li><a href="https://www.npmjs.com/package/puppeteer-core" target="_blank" rel="noopener noreferrer"><code>puppeteer-core</code></a></li></ul><p><code>puppeteer</code> is a <em>product</em> for browser automation. When installed, it downloads
|
||
a version of Chromium, which it then drives using <code>puppeteer-core</code>. Being an
|
||
end-user product, <code>puppeteer</code> automates several workflows using reasonable
|
||
defaults <a href="https://pptr.dev/guides/configuration" target="_blank" rel="noopener noreferrer">that can be customized</a>.</p><p><code>puppeteer-core</code> is a <em>library</em> to help drive anything that supports DevTools
|
||
protocol. Being a library, <code>puppeteer-core</code> is fully driven through its
|
||
programmatic interface implying no defaults are assumed and <code>puppeteer-core</code>
|
||
will not download Chromium when installed.</p><p>You should use <code>puppeteer-core</code> if you are
|
||
<a href="https://pptr.dev/api/puppeteer.puppeteer.connect" target="_blank" rel="noopener noreferrer">connecting to a remote browser</a>
|
||
or <a href="https://pptr.dev/api/puppeteer.browserfetcher" target="_blank" rel="noopener noreferrer">managing browsers yourself</a>.
|
||
If you are managing browsers yourself, you will need to call
|
||
<a href="https://pptr.dev/api/puppeteer.puppeteernode.launch" target="_blank" rel="noopener noreferrer"><code>puppeteer.launch</code></a> with
|
||
an an explicit
|
||
<a href="https://pptr.dev/api/puppeteer.launchoptions.executablepath" target="_blank" rel="noopener noreferrer"><code>executablePath</code></a>
|
||
(or <a href="https://pptr.dev/api/puppeteer.launchoptions.channel" target="_blank" rel="noopener noreferrer"><code>channel</code></a> if it's
|
||
installed in a standard location).</p><p>When using <code>puppeteer-core</code>, remember to change the import:</p><div class="language-ts codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-ts codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">import</span><span class="token plain"> puppeteer </span><span class="token keyword" style="color:#00009f">from</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">'puppeteer-core'</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="usage">Usage<a class="hash-link" href="#usage" title="Direct link to heading"></a></h3><p>Puppeteer follows the latest
|
||
<a href="https://github.com/nodejs/Release#release-schedule" target="_blank" rel="noopener noreferrer">maintenance LTS</a> version of
|
||
Node.</p><p>Puppeteer will be familiar to people using other browser testing frameworks. You
|
||
<a href="https://pptr.dev/api/puppeteer.puppeteernode.launch" target="_blank" rel="noopener noreferrer">launch</a>/<a href="https://pptr.dev/api/puppeteer.puppeteernode.connect" target="_blank" rel="noopener noreferrer">connect</a>
|
||
a <a href="https://pptr.dev/api/puppeteer.browser" target="_blank" rel="noopener noreferrer">browser</a>,
|
||
<a href="https://pptr.dev/api/puppeteer.browser.newpage" target="_blank" rel="noopener noreferrer">create</a> some
|
||
<a href="https://pptr.dev/api/puppeteer.page" target="_blank" rel="noopener noreferrer">pages</a>, and then manipulate them with
|
||
<a href="https://pptr.dev/api" target="_blank" rel="noopener noreferrer">Puppeteer's API</a>.</p><p>For more in-depth usage, check our <a href="https://pptr.dev/category/guides" target="_blank" rel="noopener noreferrer">guides</a>
|
||
and <a href="https://github.com/puppeteer/puppeteer/tree/main/examples" target="_blank" rel="noopener noreferrer">examples</a>.</p><h4 class="anchor anchorWithStickyNavbar_LWe7" id="example">Example<a class="hash-link" href="#example" title="Direct link to heading"></a></h4><p>The following example searches
|
||
<a href="https://developers.google.com/web" target="_blank" rel="noopener noreferrer">developers.google.com/web</a> for articles
|
||
tagged "Headless Chrome" and scrape results from the results page.</p><div class="language-ts codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-ts codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">import</span><span class="token plain"> puppeteer </span><span class="token keyword" style="color:#00009f">from</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">'puppeteer'</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token punctuation" style="color:#393A34">(</span><span class="token keyword" style="color:#00009f">async</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"> </span><span class="token operator" style="color:#393A34">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">const</span><span class="token plain"> browser </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token keyword" style="color:#00009f">await</span><span class="token plain"> puppeteer</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">launch</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">const</span><span class="token plain"> page </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token keyword" style="color:#00009f">await</span><span class="token plain"> browser</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">newPage</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">await</span><span class="token plain"> page</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">goto</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string" style="color:#e3116c">'https://developers.google.com/web/'</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token comment" style="color:#999988;font-style:italic">// Type into search box.</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">await</span><span class="token plain"> page</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">type</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string" style="color:#e3116c">'.devsite-search-field'</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">'Headless Chrome'</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token comment" style="color:#999988;font-style:italic">// Wait for suggest overlay to appear and click "show all results".</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">const</span><span class="token plain"> allResultsSelector </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">'.devsite-suggest-all-results'</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">await</span><span class="token plain"> page</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">waitForSelector</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">allResultsSelector</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">await</span><span class="token plain"> page</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">click</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">allResultsSelector</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token comment" style="color:#999988;font-style:italic">// Wait for the results page to load and display the results.</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">const</span><span class="token plain"> resultsSelector </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">'.gsc-results .gs-title'</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">await</span><span class="token plain"> page</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">waitForSelector</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">resultsSelector</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token comment" style="color:#999988;font-style:italic">// Extract the results from the page.</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">const</span><span class="token plain"> links </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token keyword" style="color:#00009f">await</span><span class="token plain"> page</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">evaluate</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">resultsSelector </span><span class="token operator" style="color:#393A34">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">return</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">[</span><span class="token operator" style="color:#393A34">...</span><span class="token plain">document</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">querySelectorAll</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">resultsSelector</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">]</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">map</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">anchor </span><span class="token operator" style="color:#393A34">=></span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">const</span><span class="token plain"> title </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> anchor</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">textContent</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">split</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string" style="color:#e3116c">'|'</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">[</span><span class="token number" style="color:#36acaa">0</span><span class="token punctuation" style="color:#393A34">]</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">trim</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">return</span><span class="token plain"> </span><span class="token template-string template-punctuation string" style="color:#e3116c">`</span><span class="token template-string interpolation interpolation-punctuation punctuation" style="color:#393A34">${</span><span class="token template-string interpolation">title</span><span class="token template-string interpolation interpolation-punctuation punctuation" style="color:#393A34">}</span><span class="token template-string string" style="color:#e3116c"> - </span><span class="token template-string interpolation interpolation-punctuation punctuation" style="color:#393A34">${</span><span class="token template-string interpolation">anchor</span><span class="token template-string interpolation punctuation" style="color:#393A34">.</span><span class="token template-string interpolation">href</span><span class="token template-string interpolation interpolation-punctuation punctuation" style="color:#393A34">}</span><span class="token template-string template-punctuation string" style="color:#e3116c">`</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">}</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">}</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> resultsSelector</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token comment" style="color:#999988;font-style:italic">// Print all the files.</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token builtin">console</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">log</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">links</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">join</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string" style="color:#e3116c">'\n'</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">await</span><span class="token plain"> browser</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">close</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token punctuation" style="color:#393A34">}</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="default-runtime-settings">Default runtime settings<a class="hash-link" href="#default-runtime-settings" title="Direct link to heading"></a></h3><p><strong>1. Uses Headless mode</strong></p><p>Puppeteer launches Chromium in
|
||
<a href="https://developers.google.com/web/updates/2017/04/headless-chrome" target="_blank" rel="noopener noreferrer">headless mode</a>.
|
||
To launch a full version of Chromium, set the
|
||
<a href="https://pptr.dev/api/puppeteer.browserlaunchargumentoptions.headless" target="_blank" rel="noopener noreferrer"><code>headless</code></a>
|
||
option when launching a browser:</p><div class="language-ts codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-ts codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">const</span><span class="token plain"> browser </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token keyword" style="color:#00009f">await</span><span class="token plain"> puppeteer</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">launch</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain">headless</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token boolean" style="color:#36acaa">false</span><span class="token punctuation" style="color:#393A34">}</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><span class="token plain"> </span><span class="token comment" style="color:#999988;font-style:italic">// default is true</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p><strong>2. Runs a bundled version of Chromium</strong></p><p>By default, Puppeteer downloads and uses a specific version of Chromium so its
|
||
API is guaranteed to work out of the box. To use Puppeteer with a different
|
||
version of Chrome or Chromium, pass in the executable's path when creating a
|
||
<code>Browser</code> instance:</p><div class="language-ts codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-ts codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">const</span><span class="token plain"> browser </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token keyword" style="color:#00009f">await</span><span class="token plain"> puppeteer</span><span class="token punctuation" style="color:#393A34">.</span><span class="token function" style="color:#d73a49">launch</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain">executablePath</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">'/path/to/Chrome'</span><span class="token punctuation" style="color:#393A34">}</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>You can also use Puppeteer with Firefox Nightly (experimental support). See
|
||
<a href="https://pptr.dev/api/puppeteer.puppeteernode.launch" target="_blank" rel="noopener noreferrer"><code>Puppeteer.launch</code></a> for
|
||
more information.</p><p>See
|
||
<a href="https://www.howtogeek.com/202825/what%E2%80%99s-the-difference-between-chromium-and-chrome/" target="_blank" rel="noopener noreferrer"><code>this article</code></a>
|
||
for a description of the differences between Chromium and Chrome.
|
||
<a href="https://chromium.googlesource.com/chromium/src/+/refs/heads/main/docs/chromium_browser_vs_google_chrome.md" target="_blank" rel="noopener noreferrer"><code>This article</code></a>
|
||
describes some differences for Linux users.</p><p><strong>3. Creates a fresh user profile</strong></p><p>Puppeteer creates its own browser user profile which it <strong>cleans up on every
|
||
run</strong>.</p><h4 class="anchor anchorWithStickyNavbar_LWe7" id="using-docker">Using Docker<a class="hash-link" href="#using-docker" title="Direct link to heading"></a></h4><p>See our <a href="https://pptr.dev/guides/docker" target="_blank" rel="noopener noreferrer">Docker guide</a>.</p><h4 class="anchor anchorWithStickyNavbar_LWe7" id="using-chrome-extensions">Using Chrome Extensions<a class="hash-link" href="#using-chrome-extensions" title="Direct link to heading"></a></h4><p>See our <a href="https://pptr.dev/guides/chrome-extensions" target="_blank" rel="noopener noreferrer">Chrome extensions guide</a>.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="resources">Resources<a class="hash-link" href="#resources" title="Direct link to heading"></a></h2><ul><li><a href="https://pptr.dev/api" target="_blank" rel="noopener noreferrer">API Documentation</a></li><li><a href="https://pptr.dev/category/guides" target="_blank" rel="noopener noreferrer">Guides</a></li><li><a href="https://github.com/puppeteer/puppeteer/tree/main/examples" target="_blank" rel="noopener noreferrer">Examples</a></li><li><a href="https://github.com/transitive-bullshit/awesome-puppeteer" target="_blank" rel="noopener noreferrer">Community list of Puppeteer resources</a></li></ul><h2 class="anchor anchorWithStickyNavbar_LWe7" id="contributing">Contributing<a class="hash-link" href="#contributing" title="Direct link to heading"></a></h2><p>Check out our <a href="https://pptr.dev/contributing" target="_blank" rel="noopener noreferrer">contributing guide</a> to get an
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overview of Puppeteer development.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="faq">FAQ<a class="hash-link" href="#faq" title="Direct link to heading"></a></h2><p>Our <a href="https://pptr.dev/faq" target="_blank" rel="noopener noreferrer">FAQ</a> has migrated to
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<a href="https://pptr.dev/faq" target="_blank" rel="noopener noreferrer">our site</a>.</p></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><a class="pagination-nav__link pagination-nav__link--next" href="/next/category/guides"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Guides</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#getting-started" class="table-of-contents__link toc-highlight">Getting Started</a><ul><li><a href="#installation" class="table-of-contents__link toc-highlight">Installation</a></li><li><a href="#usage" class="table-of-contents__link toc-highlight">Usage</a></li><li><a href="#default-runtime-settings" class="table-of-contents__link toc-highlight">Default runtime settings</a></li></ul></li><li><a href="#resources" class="table-of-contents__link toc-highlight">Resources</a></li><li><a href="#contributing" class="table-of-contents__link toc-highlight">Contributing</a></li><li><a href="#faq" class="table-of-contents__link toc-highlight">FAQ</a></li></ul></div></div></div></div></main></div></div><footer class="footer footer--dark"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">Community</div><ul class="footer__items clean-list"><li class="footer__item"><a href="https://stackoverflow.com/questions/tagged/puppeteer" target="_blank" rel="noopener noreferrer" class="footer__link-item">Stack Overflow<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li><li class="footer__item"><a href="https://twitter.com/chromedevtools" target="_blank" rel="noopener noreferrer" class="footer__link-item">Twitter<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li><li class="footer__item"><a href="https://goo.gle/devtools-youtube" target="_blank" rel="noopener noreferrer" class="footer__link-item">YouTube<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2022 Google, Inc.</div></div></div></footer></div>
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