Chakra (JavaScript engine)

<h2 id="standards-support">Standards support</h2>
<p>Chakra supports <a href="/facts/ECMAScript/M7nDHsB5">ECMAScript</a> 5.1 with partial support for <a href="/facts/ECMAScript/M7nDHsB5">ECMAScript</a> 2015.<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a>
</p>
<h2 id="open-sourcing">Open sourcing</h2>
<p>Following an initial announcement on December 5, 2015,<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a><a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> Microsoft open sourced the Chakra engine as ChakraCore, including all the key components of the JavaScript engine powering Microsoft Edge [Legacy] on their GitHub page under the <a href="/facts/MIT_License/8llAQtlk">MIT License</a> on January 13, 2016.<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a><a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a> ChakraCore is essentially the same as the Chakra engine that powers the <a href="/facts/Microsoft_Edge_Legacy/fmuGF7t0">Microsoft Edge Legacy</a> browser, but with platform-agnostic bindings, i.e., without the specific interfaces utilized within the <a href="/facts/Universal_Windows_Platform_apps/PCIgnSjM">Universal Windows App</a> platform.
</p><p>Microsoft has also created a project on <a href="/facts/GitHub/n1hNCsc3">GitHub</a> that allows <a href="/facts/Node.js/FKzhV4Qa">Node.js</a> to use ChakraCore as its JavaScript engine instead of <a href="/facts/V8_(JavaScript_engine)/0Fd3taMh">V8</a>.<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a>
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<h2 id="external-links">External links</h2>
<ul><li><a href="https://github.com/microsoft/ChakraCore">ChakraCore</a> on <a href="/facts/GitHub/n1hNCsc3">GitHub</a></li></ul>

<h2 id="references">References</h2>

<ol>
<li id="fn:1"><p>"Targeting Edge vs. Legacy Engines in JsRT APIs". Retrieved 10 September 2015. <a href="https://msdn.microsoft.com/en-us/library/dn903710(v=vs.94).aspx" target="_blank">https://msdn.microsoft.com/en-us/library/dn903710(v=vs.94).aspx</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li>
<li id="fn:2"><p>"org/Release 1.12 plan.md at master · chakra-core/org". GitHub. Retrieved 2023-11-17. <a href="https://github.com/chakra-core/org/blob/master/Release%201.12%20plan.md" target="_blank">https://github.com/chakra-core/org/blob/master/Release%201.12%20plan.md</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li>
<li id="fn:3"><p>"Microsoft Edge Platform Status". Microsoft.com. Retrieved 10 September 2015.[permanent dead link‍] <a href="https://dev.modern.ie/platform/status//?filter=f0100001c&search=es6" target="_blank">https://dev.modern.ie/platform/status//?filter=f0100001c&search=es6</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li>
<li id="fn:4"><p>"Microsoft Edge's JavaScript engine to go open-source". Microsoft. 2015-12-05. Retrieved December 8, 2015. <a href="https://blogs.windows.com/msedgedev/2015/12/05/open-source-chakra-core/" target="_blank">https://blogs.windows.com/msedgedev/2015/12/05/open-source-chakra-core/</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li>
<li id="fn:5"><p>Microsoft open sources Edge web browser's JavaScript engine, plans port to Linux on zdnet.com by Steven J. Vaughan-Nichols (on January 13, 2016) <a href="https://www.zdnet.com/article/microsoft-open-sources-its-edge-web-browser-javascript-engine-and-plans-to-port-it-to-linux/" target="_blank">https://www.zdnet.com/article/microsoft-open-sources-its-edge-web-browser-javascript-engine-and-plans-to-port-it-to-linux/</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li>
<li id="fn:6"><p>Microsoft open sources Edge web browser's JavaScript engine, plans port to Linux on zdnet.com by Steven J. Vaughan-Nichols (on January 13, 2016) <a href="https://www.zdnet.com/article/microsoft-open-sources-its-edge-web-browser-javascript-engine-and-plans-to-port-it-to-linux/" target="_blank">https://www.zdnet.com/article/microsoft-open-sources-its-edge-web-browser-javascript-engine-and-plans-to-port-it-to-linux/</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li>
<li id="fn:7"><p>ChakraCore on github.com <a href="https://github.com/Microsoft/ChakraCore" target="_blank">https://github.com/Microsoft/ChakraCore</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li>
<li id="fn:8"><p>Node.js enabled for ChakraCore on github.com <a href="https://github.com/Microsoft/node" target="_blank">https://github.com/Microsoft/node</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li>
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Chakra (JavaScript engine) open-in-new

Chakra (JavaScript engine)