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6000 packages found
Robustly `.call.bind()` a function
Get and robustly cache all JS language-level intrinsics at first require time
Define a data property on an object. Will fall back to assignment in an engine without descriptors.
Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
A simple cache for a few of the JS Error constructors.
`Object.defineProperty`, but not IE 8's broken one.
Is this value a JS SharedArrayBuffer?
Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.
ES spec-like internal slots
Is this value a JS ArrayBuffer?
ECMAScript spec-compliant polyfill/shim for `globalThis`
- window
- self
- global
- globalThis
- System.global
- global object
- global this value
- ECMAScript
- es-shim API
- polyfill
- shim
ES spec-compliant shim for ArrayBuffer.prototype.slice
- javascript
- ecmascript
- ArrayBuffer.prototype.slice
- polyfill
- shim
- ArrayBuffer
- array
- buffer
- ArrayBuffer#slice
- slice
- typed array
- es-shim API
An ESnext spec-compliant `Object.groupBy` shim/polyfill/replacement that works as far down as ES3.
An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.
- javascript
- ecmascript
- polyfill
- shim
- es-shims
- es-shim API
- Iterator
- helpers
- from
- map
- filter
- take
- drop
- flatMap
- View more
An ESnext spec-compliant `Array.prototype.toSorted` shim/polyfill/replacement that works as far down as ES3.
Get the byteOffset out of a DataView, robustly.
Get the ArrayBuffer out of a DataView, robustly.
ES Object-related atoms: Object, ToObject, RequireObjectCoercible
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.
Get the byteLength out of a DataView, robustly.