a version of Puppeteer that doesn't download any browser by default.</p><divclass="language-bash codeBlockContainer_Ckt0 theme-code-block"style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><divclass="codeBlockContent_biex"><pretabindex="0"class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><codeclass="codeBlockLines_e6Vv"><spanclass="token-line"style="color:#393A34"><spanclass="token function"style="color:#d73a49">npm</span><spanclass="token plain"> i puppeteer-core</span><br></span><spanclass="token-line"style="color:#393A34"><spanclass="token plain"></span><spanclass="token comment"style="color:#999988;font-style:italic"># or "yarn add puppeteer-core"</span><br></span></code></pre><divclass="buttonGroup__atx"><buttontype="button"aria-label="Copy code to clipboard"title="Copy"class="clean-btn"><spanclass="copyButtonIcons_eSgA"aria-hidden="true"><svgclass="copyButtonIcon_y97N"viewBox="0 0 24 24"><pathd="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><svgclass="copyButtonSuccessIcon_LjdS"viewBox="0 0 24 24"><pathd="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p><code>puppeteer-core</code> is intended to be a lightweight version of Puppeteer for launching an existing browser installation or for connecting to a remote one. Be sure that the version of puppeteer-core you install is compatible with the browser you intend to connect to.</p><p>See <ahref="https://github.com/puppeteer/puppeteer/blob/main/docs/api.md#puppeteer-vs-puppeteer-core"target="_blank"rel="noopener noreferrer">puppeteer vs puppeteer-core</a>.</p><h3class="anchor anchorWithStickyNavbar_LWe7"id="usage">Usage<aclass="hash-link"href="#usage"title="Direct link to heading"></a></h3><p>Puppeteer follows the latest <ahref="https://github.com/nodejs/Release#release-schedule"target="_blank"rel="noopener noreferrer">maintenance LTS</a> version of Node.</p><p>Note: Prior to v1.18.1, Puppeteer required at least Node v6.4.0. Versions from v1.18.1 to v2.1.0 rely on
Node 8.9.0+. Starting from v3.0.0 Puppeteer starts to rely on Node 10.18.1+. All examples below use async/await which is only supported in Node v7.6.0 or greater.</p><p>Puppeteer will be familiar to people using other browser testing frameworks. You create an instance
pass in the executable's path when creating a <code>Browser</code> instance:</p><divclass="language-js codeBlockContainer_Ckt0 theme-code-block"style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><divclass="codeBlockContent_biex"><pretabindex="0"class="prism-code language-js codeBlock_bY9V thin-scrollbar"><codeclass="codeBlockLines_e6Vv"><spanclass="token-line"style="color:#393A34"><spanclass="token keyword"style="color:#00009f">const</span><spanclass="token plain"> browser </span><spanclass="token operator"style="color:#393A34">=</span><spanclass="token plain"></span><spanclass="token keyword control-flow"style="color:#00009f">await</span><spanclass="token plain"> puppeteer</span><spanclass="token punctuation"style="color:#393A34">.</span><spanclass="token method function property-access"style="color:#d73a49">launch</span><spanclass="token punctuation"style="color:#393A34">(</span><spanclass="token punctuation"style="color:#393A34">{</span><spanclass="token literal-property property"style="color:#36acaa">executablePath</span><spanclass="token operator"style="color:#393A34">:</span><spanclass="token plain"></span><spanclass="token string"style="color:#e3116c">'/path/to/Chrome'</span><spanclass="token punctuation"style="color:#393A34">}</span><spanclass="token punctuation"style="color:#393A34">)</span><spanclass="token punctuation"style="color:#393A34">;</span><br></span></code></pre><divclass="buttonGroup__atx"><buttontype="button"aria-label="Copy code to clipboard"title="Copy"class="clean-btn"><spanclass="copyButtonIcons_eSgA"aria-hidden="true"><svgclass="copyButtonIcon_y97N"viewBox="0 0 24 24"><pathd="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><svgclass="copyButtonSuccessIcon_LjdS"viewBox="0 0 24 24"><pathd="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 <ahref="https://github.com/puppeteer/puppeteer/blob/main/docs/api.md#puppeteerlaunchoptions"target="_blank"rel="noopener noreferrer"><code>Puppeteer.launch()</code></a> for more information.</p><p>See <ahref="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. <ahref="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><h2class="anchor anchorWithStickyNavbar_LWe7"id="resources">Resources<aclass="hash-link"href="#resources"title="Direct link to heading"></a></h2><ul><li><ahref="https://github.com/puppeteer/puppeteer/blob/main/docs/api.md"target="_blank"rel="noopener noreferrer">API Documentation</a></li><li><ahref="https://github.com/puppeteer/puppeteer/tree/main/examples/"target="_blank"rel="noopener noreferrer">Examples</a></li><li><ahref="https://github.com/transitive-bullshit/awesome-puppeteer"target="_blank"rel="noopener noreferrer">Community list of Puppeteer resources</a></li></ul><h2class="anchor anchorWithStickyNavbar_LWe7"id="debugging-tips">Debugging tips<aclass="hash-link"href="#debugging-tips"title="Direct link to heading"></a></h2><ol><li><p>Turn off headless mode - sometimes it's useful to see what the browser is
DevTools console due to this <ahref="https://bugs.chromium.org/p/chromium/issues/detail?id=833928"target="_blank"rel="noopener noreferrer">Chromium bug</a>. So if
you want to try something out, you have to add it to your test file.</p><ul><li><p>Add <code>debugger;</code> to your test, eg:</p><divclass="language-js codeBlockContainer_Ckt0 theme-code-block"style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><divclass="codeBlockContent_biex"><pretabindex="0"class="prism-code language-js codeBlock_bY9V thin-scrollbar"><codeclass="codeBlockLines_e6Vv"><spanclass="token-line"style="color:#393A34"><spanclass="token keyword"style="color:#00009f">debugger</span><spanclass="token punctuation"style="color:#393A34">;</span><spanclass="token plain"></span><br></span><spanclass="token-line"style="color:#393A34"><spanclass="token plain"></span><spanclass="token keyword control-flow"style="color:#00009f">await</span><spanclass="token plain"> page</span><spanclass="token punctuation"style="color:#393A34">.</span><spanclass="token method function property-access"style="color:#d73a49">click</span><spanclass="token punctuation"style="color:#393A34">(</span><spanclass="token string"style="color:#e3116c">'a[target=_blank]'</span><spanclass="token punctuation"style="color:#393A34">)</span><spanclass="token punctuation"style="color:#393A34">;</span><br></span></code></pre><divclass="buttonGroup__atx"><buttontype="button"aria-label="Copy code to clipboard"title="Copy"class="clean-btn"><spanclass="copyButtonIcons_eSgA"aria-hidden="true"><svgclass="copyButtonIcon_y97N"viewBox="0 0 24 24"><pathd="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><svgclass="copyButtonSuccessIcon_LjdS"viewBox="0 0 24 24"><pathd="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Set <code>headless</code> to <code>false</code></p></li><li><p>Run <code>node --inspect-brk</code>, eg <code>node --inspect-brk node_modules/.bin/jest tests</code></p></li><li><p>In Chrome open <code>chrome://inspect/#devices</code> and click <code>inspect</code></p></li><li><p>In the newly opened test browser, type <code>F8</code> to resume test execution</p></li><li><p>Now your <code>debugger</code> will be hit and you can debug in the test browser</p></li></ul></li><li><p>Enable verbose logging - internal DevTools protocol traffic
will be logged via the <ahref="https://github.com/visionmedia/debug"target="_blank"rel="noopener noreferrer"><code>debug</code></a> module under the <code>puppeteer</code> namespace.</p><divclass="codeBlockContainer_Ckt0 theme-code-block"style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><divclass="codeBlockContent_biex"><pretabindex="0"class="prism-code language-text codeBlock_bY9V thin-scrollbar"><codeclass="codeBlockLines_e6Vv"><spanclass="token-line"style="color:#393A34"><spanclass="token plain"> # Basic verbose logging</span><br></span><spanclass="token-line"style="color:#393A34"><spanclass="token plain"> env DEBUG="puppeteer:*" node script.js</span><br></span><spanclass="token-line"style="color:#393A34"><spanclass="token plain"style="display:inline-block"></span><br></span><spanclass="token-line"style="color:#393A34"><spanclass="token plain"> # Protocol traffic can be rather noisy. This example filters out all Network domain messages</span><br></span><spanclass="token-line"style="color:#393A34"><spanclass="token plain"> env DEBUG="puppeteer:*" env DEBUG_COLORS=true node script.js 2>&1 | grep -v '"Network'</span><br></span></code></pre><divclass="buttonGroup__atx"><buttontype="button"aria-label="Copy code to clipboard"title="Copy"class="clean-btn"><spanclass="copyButtonIcons_eSgA"aria-hidden="true"><svgclass="copyButtonIcon_y97N"viewBox="0 0 24 24"><pathd="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><svgclass="copyButtonSuccessIcon_LjdS"viewBox="0 0 24 24"><pathd="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Debug your Puppeteer (node) code easily, using <ahref="https://github.com/GoogleChromeLabs/ndb"target="_blank"rel="noopener noreferrer">ndb</a></p></li></ol><ul><li><p><code>npm install -g ndb</code> (or even better, use <ahref="https://github.com/zkat/npx"target="_blank"rel="noopener noreferrer">npx</a>!)</p></li><li><p>add a <code>debugger</code> to your Puppeteer (node) code</p></li><li><p>add <code>ndb</code> (or <code>npx ndb</code>) before your test command. For example:</p><p><code>ndb jest</code> or <code>ndb mocha</code> (or <code>npx ndb jest</code> / <code>npx ndb mocha</code>)</p></li><li><p>debug your test inside chromium like a boss!</p></li></ul><h2class="anchor anchorWithStickyNavbar_LWe7"id="contributing">Contributing<aclass="hash-link"href="#contributing"title="Direct link to heading"></a></h2><p>Check out our <ahref="https://github.com/puppeteer/puppeteer/blob/main/CONTRIBUTING.md"target="_blank"rel="noopener noreferrer">contributing guide</a> to get an overview of Puppeteer development.</p><h2class="anchor anchorWithStickyNavbar_LWe7"id="faq">FAQ<aclass="hash-link"href="#faq"title="Direct link to heading"></a></h2><p>Our <ahref="https://github.com/puppeteer/puppeteer/blob/main/CONTRIBUTING.md"target="_blank"rel="noopener noreferrer">FAQ</a> has migrated to <ahref="https://github.com/puppeteer/puppeteer/blob/main/troubleshooting.md"target="_blank"rel="noopener noreferrer">our site</a>.</p></div></article><navclass="pagination-nav docusaurus-mt-lg"aria-label="Docs pages navigation"><aclass="pagination-nav__link pagination-nav__link--next"href="/puppeteer/faq"><divclass="pagination-nav__sublabel">Next</div><divclass="pagination-nav__label">FAQ</div></a></nav></div></div><divclass="col col--3"><divclass="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ulclass="table-of-contents table-of-contents__left-border"><li><ahref="#getting-started"class="table-of-contents__link toc-highlight">Getting Started</a><ul><li><ahref="#installation"class="table-of-contents__link toc-highlight">Installation</a></li><li><ahref="#puppeteer-core"class="table-of-contents__link toc-highlight">puppeteer-core</a></li><li><ahref="#usage"class="table-of-contents__link toc-highlight">Usage</a></li></ul></li><li><a
