Features tagged “ECMAScript”
- JavaScript's New Superpower: Explicit Resource Management ECMAScript
- Iterator helpers ECMAScript
- Import attributes ECMAScript
- RegExp
v flag with set notation and properties of strings ECMAScript - Finding elements in
Arrays and TypedArrays ECMAScript at method for relative indexing ECMAScript- Error causes ECMAScript
Object.hasOwn ECMAScript- Import assertions ECMAScript
- Private brand checks a.k.a.
#foo in obj ECMAScript - Class static initialization blocks ECMAScript
- WebAssembly integration with JavaScript BigInt WebAssembly ECMAScript
Atomics.wait, Atomics.notify, Atomics.waitAsync ECMAScript ES2020- Logical assignment ECMAScript ES2021
- RegExp match indices ECMAScript
String.prototype.replaceAll ECMAScript ES2021- Top-level
await ECMAScript - Nullish coalescing ECMAScript ES2020
- Optional chaining ECMAScript ES2020
globalThis ECMAScript ES2020- Weak references and finalizers ECMAScript ES2021
- Stable
Array.prototype.sort ECMAScript ES2019 Symbol.prototype.description ECMAScript ES2019Object.fromEntries ECMAScript ES2019- Promise combinators ECMAScript ES2020 ES2021
Array.prototype.flat and Array.prototype.flatMap ECMAScript ES2019- Numeric separators ECMAScript ES2021
String.prototype.matchAll ECMAScript ES2020- Module namespace exports ECMAScript ES2020
- Public and private class fields ECMAScript ES2022
- Well-formed
JSON.stringify ECMAScript ES2019 - JavaScript modules ECMAScript ES2015
- BigInt: arbitrary-precision integers in JavaScript ECMAScript ES2020
- Optional
catch binding ECMAScript ES2019 String.prototype.trimStart and String.prototype.trimEnd ECMAScript ES2019- Revised
Function.prototype.toString ECMAScript ES2019 - Dynamic
import() ECMAScript ES2020 Promise.prototype.finally ECMAScript ES2018- Object rest and spread properties ECMAScript ES2018