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<title data-rh="true">Experimental WebDriver BiDi Support | Puppeteer</title><meta data-rh="true" name="viewport" content="width=device-width,initial-scale=1"><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:url" content="https://pptr.dev/next/webdriver-bidi"><meta data-rh="true" name="docsearch:language" content="en"><meta data-rh="true" name="docsearch:counter" content="3"><meta data-rh="true" property="og:title" content="Experimental WebDriver BiDi Support | Puppeteer"><meta data-rh="true" name="description" content="WebDriver BiDi is a new cross-browser"><meta data-rh="true" property="og:description" content="WebDriver BiDi is a new cross-browser"><link data-rh="true" rel="icon" href="/img/favicon.ico"><link data-rh="true" rel="canonical" href="https://pptr.dev/next/webdriver-bidi"><link data-rh="true" rel="alternate" href="https://pptr.dev/next/webdriver-bidi" hreflang="en"><link data-rh="true" rel="alternate" href="https://pptr.dev/next/webdriver-bidi" hreflang="x-default"><link data-rh="true" rel="preconnect" href="https://DVKY664LG7-dsn.algolia.net" crossorigin="anonymous"><link rel="search" type="application/opensearchdescription+xml" title="Puppeteer" href="/opensearch.xml">
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automation protocol that adds browser-driven events to WebDriver. Here are the
resources if you want to learn more about WebDriver BiDi:</p><ul><li><a href="https://developer.chrome.com/articles/webdriver-bidi/" target="_blank" rel="noopener noreferrer">WebDriver BiDi - The future of cross-browser automation</a></li><li><a href="https://developer.chrome.com/blog/webdriver-bidi-2023/" target="_blank" rel="noopener noreferrer">WebDriver BiDi: 2023 status update</a></li></ul><h2 class="anchor anchorWithStickyNavbar_LWe7" id="automate-with-chrome-and-firefox">Automate with Chrome and Firefox<a href="#automate-with-chrome-and-firefox" class="hash-link" aria-label="Direct link to Automate with Chrome and Firefox" title="Direct link to Automate with Chrome and Firefox"></a></h2><p>Firefox support has almost reaching feature parity with the previous CDP-based
implementation. To see which features are fully supported with WebDriver BiDi we
used the <a href="https://puppeteer.github.io/ispuppeteerwebdriverbidiready/" target="_blank" rel="noopener noreferrer">Puppeteer test suite</a>. Currently,
we still have fewer than
<a href="https://puppeteer.github.io/ispuppeteerwebdriverbidiready/firefox-delta.json" target="_blank" rel="noopener noreferrer">60</a>
tests that are failing with Firefox and WebDriver BiDi compared to the previous
CDP implementation in Firefox but we also have more than
<a href="https://puppeteer.github.io/ispuppeteerwebdriverbidiready/firefox-delta.json" target="_blank" rel="noopener noreferrer">82</a>
new tests that work with WebDriver BiDi and that didn&#x27;t work with CDP.</p><p>For Chrome, around 68% of the tests are currently passing with WebDriver BiDi so
the CDP-based implementation remains more powerful. Some of the Puppeteer
functionality is relying on CDP even with WebDriver BiDi enabled. Therefore, the
test pass rate is currently higher than that one of Firefox.</p><p>Example of launching Firefox with WebDriver BiDi:</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">&#x27;puppeteer&#x27;</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">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"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> product</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&#x27;firefox&#x27;</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"> protocol</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">&#x27;webDriverBiDi&#x27;</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 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"></span><span class="token operator" 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"> 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><br></span></c
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