It contains the specification for a general purpose scripting language.ĮCMA-262 is a standard like QWERTY, but instead of representing a keyboard layout specification, it represents a scripting language specification called ECMAScript. This is a standard published by Ecma International. Did the vast majority have letters in the same order, and a space bar, an Enter key, arrow keys, with numbers displayed in a row at the top? This is because most keyboard manufacturers base their keyboard design on the QWERTY layout standard.

To illustrate an example of “standard” (though not one created by Ecma), think of all the keyboards you have ever used. Ecma InternationalĪn organization that creates standards for technologies. They are constructed in a way that provides a high-level understanding of the connection and relationship between JavaScript and ECMAScript. A JavaScript/ECMAScript glossaryīelow is a list of definitions, designed with a focus on consistency and clarity. You will also learn about scripting languages, JavaScript engines, and JavaScript runtimes for good measure.

It is geared towards people who are familiar with JavaScript but would like a clearer understanding of its relationship with ECMAScript, web browsers, Babel, and more. This article represents my current understanding of the differences between JavaScript and ECMAScript. Holding back the urge to cry, I bucked up and decided to commit to some painful yet productive research. “JavaScript is an implementation of the ECMAScript standard.” I ended up having to wade through a sea of ambiguous and seemingly conflicting results: I’ve tried googling “the difference between JavaScript and ECMAScript.” By Michael Aranda What’s the difference between JavaScript and ECMAScript?

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