ECMAScript 2025, the latest version of the ECMA International standard for JavaScript, has been officially approved. The specification standardizes new JavaScript capabilities including JSON modules, ...

Node.js is built against modern versions of V8. By keeping up-to-date with the latest releases of this engine, we ensure new features from the JavaScript ECMA-262 specification are brought to Node.js ...

The ECMAScript specification defines a set of early errors that conformant implementations must report before execution. Some of these are detectable during parsing from local context alone, like ...

[In case you don't know, in ECMAScript/JavaScript, variables declared with var have global or function-level scope, and variables declared with let have block-level scope.] Need a global variable?