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5143 packages found
Get the ArrayBuffer out of a DataView, robustly.
Is this value a JS DataView? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.
A robust, ES3 compatible, "has own property" predicate.
An AST-based pattern checker for JavaScript.
Set a function's length property
An Esprima-compatible JavaScript parser built on Acorn
Unbox a boxed JS primitive value.
An ESnext spec-compliant `Array.prototype.toReversed` shim/polyfill/replacement that works as far down as ES3.
Which kind of boxed JS primitive is this?
ECMAScript spec-compliant polyfill/shim for `globalThis`
- window
- self
- global
- globalThis
- System.global
- global object
- global this value
- ECMAScript
- es-shim API
- polyfill
- shim
`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.
ECMAScript spec abstract operations.
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
- primitive
- abstract
- ecmascript
- es5
- es6
- es2015
- toPrimitive
- coerce
- type
- object
- string
- number
- boolean
- symbol
- View more
What is the type of this builtin JS value?
Tiny JavaScript tokenizer.
A robust & optimized `String.fromCodePoint` polyfill, based on the ECMAScript 6 specification.
`AsyncIterator.prototype`, or a shared object to use.
ES2015 `Object.assign()` ponyfill
A parser that converts TypeScript source code into an ESTree compatible form