List of ECMAScript engines

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An ECMAScript engine is a software platform that can run code written in ECMAScript, a programming language more commonly known as JavaScript.

More formally, an ECMAScript engine is, at least in part, a "conforming implementation" of the ECMAScript programming language specified by the ECMA-262 international standard.^[1]

Many implementations of ECMAScript engines are available, which differ based on the platforms they are intended to support, their level of conformance, and other implementation-specific characteristics. This article attempts to provide a relatively comprehensive list of engines that execute ECMAScript code.

The uses of the listed engines vary widely; some of these are engines intended for browsers that can run ECMAScript code on websites that include ECMAScript, like V8 (used in both Google Chrome and Node.js) and SpiderMonkey; some are intended for specific platforms (like Tamarin, Espruino, Rhino, Nashorn, and GraalJS).