ECMAScript 2015 (ES6)
Support for the ECMAScript 2015 specification. Features include Promises, Modules, Classes, Template Literals, Arrow Functions, Let and Const, Default Parameters, Generators, Destructuring Assignment, Rest & Spread, Map/Set & WeakMap/WeakSet and many more.
javascript built-in: date: tolocaletimestring
javascript built-in: date: tolocaletimestring: iana time zone names in `timezone` option
javascript built-in: date: tolocaletimestring: `locales` parameter
javascript built-in: date: tolocaletimestring: `options` parameter
javascript built-in: map: delete
javascript built-in: proxy: handler: deleteproperty
javascript built-in: reflect: deleteproperty
javascript built-in: set: delete
javascript built-in: weakmap: delete
javascript built-in: weakset: delete
javascript operator: delete
javascript statement: `await using` declaration
javascript statement: import: available in worklets
javascript statement: let
javascript statement: `using` declaration
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