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1634 packages found
Is this value negative zero? === will lie to you
Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.
- array
- TypedArray
- typed array
- is
- typed
- Int8Array
- Uint8Array
- Uint8ClampedArray
- Int16Array
- Uint16Array
- Int32Array
- Uint32Array
- Float32Array
- Float64Array
- View more
Is this value a JS SharedArrayBuffer?
Is this value a JS ArrayBuffer?
Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
ES2015-compliant shim for Object.is - differentiates between -0 and +0
Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
Returns true if a value has the characteristics of a valid JavaScript data descriptor.
Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
Determine if a value is an ES6 Symbol or not.
Check if something is a Node.js stream
Check if the character represented by a given Unicode code point is fullwidth
Is this an arguments object? It's a harder question than you think.
Detect the file type of a Buffer/Uint8Array/ArrayBuffer
Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet