February 2019
Beginner
694 pages
18h 4m
English
Content preview from Mastering TypeScript 3 - Third Edition
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JavaScript and the ECMAScript Standard
JavaScript as a language has been around for a long time. Originally designed as a language to support HTML within a single web browser, it inspired multiple clones of the language, each with its own implementations. Eventually, a global standard was introduced, allowing websites to support multiple browsers. The language defined in this standard is called ECMAScript.
Each JavaScript interpreter must deliver functions and features that conform to the ECMAScript standard. The ECMAScript standard that was published in 1999 was officially called ECMA-262, 3rd edition, but became known simply as ECMAScript 3. This version of JavaScript became widely adopted and formed the basis for the explosive popularity ...
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