Standard ECMA-262

ECMAScript® 2020 Language Specification





11th edition (June 2020)





This Standard defines the ECMAScript 2020 general-purpose programming language.

The following files can be freely downloaded:

File name Size (Bytes) Content ECMA-262 edition 11 Browsable HTML ECMA-262.pdf 7 864 746 Acrobat (r) PDF file

Kindly note that the normative copy is the HTML version; the PDF version has been produced to generate a printable document.

This 11th edition has been prepared under the Ecma RF patent policy.

The latest drafts are available at: https://tc39.github.io/ecma262/. Reporters should generally only file bugs if the bug is still present in the latest drafts.

Please find hereafter the place to file bugs: https://github.com/tc39/ecma262#ecmascript.

The previous replaced "historical" editions of this Ecma Standard are available here.

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