JavaScript 2 0 Evolving A Language For Evolving Systems
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JavaScript is a very widely used language, and evolving it presented . JavaScript as a language has computational. facilities only — there are no input/output .
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Abstract JavaScript 2.0 is the next major revision of the JavaScript language. Also known as ECMAScriptEdition 4, it is being standardized by the ECMA organization. This paper summarizes the needsthat drove the revision in the language and then describes some of the major new features of thelanguage to meet those needs — support for API evolution, classes, packages, object protection,dynamic types, and scoping. JavaScript is a very widely used language, and evolving it presentedmany unique challenges as well as some opportunities. The emphasis is on the rationale, insights,and constraints that led to the features rather than trying to describe the complete language.
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JavaScript is a very widely used language and evolving it presented . JavaScript as a language has computational. facilities only acirc euro rdquo there are no input output .