1509 packages found

    Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag

    published 1.1.4 2 months ago
    M
    Q
    P

    Is this an arguments object? It's a harder question than you think.

    published 1.1.1 2 months ago
    M
    Q
    P

    Get the native type of a value.

    published 6.0.3 2 years ago
    M
    Q
    P

    Determine if a value is an ES6 Symbol or not.

    published 1.0.4 4 months ago
    M
    Q
    P

    ES2015-compliant shim for Object.is - differentiates between -0 and +0

    published 1.1.5 7 months ago
    M
    Q
    P

    Is this value an ES BigInt?

    published 1.0.4 a month ago
    M
    Q
    P

    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.

    published 1.1.8 22 days ago
    M
    Q
    P

    Is this value negative zero? === will lie to you

    published 2.0.1 10 months ago
    M
    Q
    P

    Check if something is a Node.js stream

    published 3.0.0 a month ago
    M
    Q
    P

    Returns true if an object was created by the `Object` constructor, or Object.create(null).

    published 5.0.0 a year ago
    M
    Q
    P

    ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.

    published 1.3.2 9 months ago
    M
    Q
    P

    Detect the file type of a Buffer/Uint8Array/ArrayBuffer

    published 16.5.3 2 months ago
    M
    Q
    P

    Check if a value is a plain object

    published 4.0.0 5 months ago
    M
    Q
    P

    i18n for ISO 3166-1 country codes

    published 6.8.0 3 months ago
    M
    Q
    P

    Detect whether or not an object is a Typed Array

    published 1.0.0 6 years ago
    M
    Q
    P

    Check if the character represented by a given Unicode code point is fullwidth

    published 4.0.0 5 months ago
    M
    Q
    P

    Check if a URL is absolute

    published 4.0.1 a month ago
    M
    Q
    P

    Returns `true` if the string is upper case only.

    published 2.0.2 10 months ago
    M
    Q
    P

    Check if a value is an object

    published 3.0.0 5 months ago
    M
    Q
    P

    Returns `true` if the string is lower case only

    published 2.0.2 10 months ago
    M
    Q
    P