ECMAScript 11 (ES11, aka ECMAScript 2020) includes a number of ergonomic and other modern improvements. Optional chaining allows you to navigate object and function chains with a shorthand for dealing with null or undefined values. The BigInt type is a new type, not just some sleight of hand around the existing Number type.
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Optional chainingglobalThisBigIntNullish coalescingString.prototype.matchAllDynamic importsPromise.allSettled()Export star syntaxStandardization of for-in orderingAn evolving spec1 Comment
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