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The fifth edition of ECMAScript published as ECMA 262 5 th edition codified de facto interpretations of the language specification that have become common among browser implementations and added

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Ecma International km is a nonprofit standards organization for information and communication systems 2 It acquired its current name in 1994 when the European Computer Manufacturers

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Ecma develops and publishes international standards for the information and communication industry

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The fifth edition of ECMAScript published as ECMA 262 5 th edition codified de facto interpretations of the language specification that have become common among browser

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This 16 th edition has been prepared under the Ecma RF patent policy Please note that for ECMAScript Edition 4 the Ecma standard number ECMA 262 Edition 4 was reserved but not used in the Ecma

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ECMA 432 Binding of the Natural Language Interaction Protocol NLIP over WebSocket December 2025 ECMA 431 Binding of the Natural Language Interaction Protocol NLIP over HTTP HTTPS

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Industry association for standardizing information and communication systems About Ecma Publications and standards Committees Policies News Contact

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Introduction This Ecma Standard defines the ECMAScript 2021 Language It is the twelfth edition of the ECMAScript Language Specification Since publication of the first edition in 1997 ECMAScript has

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June 2015At the June 17 2015 Ecma General Assembly in Montreux ECMA 408 3rd edition the Dart programming language specification has been adopted