index-of

    0.2.0 • Public • Published

    index-of NPM version

    Get the index of the first element in an array that returns truthy for the given value, using strict equality for comparisons.

    Install

    Install with npm

    $ npm i index-of --save

    Install with bower

    $ bower install index-of --save

    Usage

    var indexOf = require('index-of');
     
    indexOf(['a', 'b', 'c'], 'b');
    //=> 1
     
    indexOf(['a', 'b', 'c'], 'd');
    //=> -1
     
    indexOf(['a', 'b', 'c', 'a', 'b', 'c'], 'b', 2);
    //=> 4

    Related projects

    Other object utils:

    • array-every: Returns true if the callback returns truthy for all elements in the given array.
    • array-slice: Array-slice method. Slices array from the start index up to, but not including, the endmore
    • array-unique: Return an array free of duplicate values. Fastest ES5 implementation.
    • filter-array: Iterates over the elements in an array, returning an array with only the elements for… more

    Running tests

    Install dev dependencies:

    $ npm i -d && npm test

    Contributing

    Pull requests and stars are always welcome. For bugs and feature requests, please create an issue

    Author

    Jon Schlinkert

    License

    Copyright © 2015 Jon Schlinkert Released under the MIT license.


    This file was generated by verb-cli on June 22, 2015.

    Install

    npm i index-of

    DownloadsWeekly Downloads

    42,000

    Version

    0.2.0

    License

    MIT

    Last publish

    Collaborators

    • jonschlinkert