Array.prototype.findIndex
polyfill
Simple ES6 Array.prototype.findIndex polyfill for older environments taken from es6-shim.
For browsers and node.js.
npm install array.prototype.findindex
if youâre using node.js.component install paulmillr/Array.prototype.findIndex
if youâre using component(1).bower install Array.prototype.findIndex
if youâre using Twitter Bower.Array.prototype.findIndex(predicate[, thisArg])
returns first item index that matches predicate
function.predicate(value, index, collection)
: takes three arguments
value
: current collection elementindex
: current collection element indexcollection
: the collectionvar findIndex = require('array.prototype.findindex'); findIndex.shim(); // if you want to install it on the global environment
Code example:
// Default: [1, 5, 10, 15].findIndex(function(a) {return a > 9;}) // 2
The MIT License (MIT)
Copyright (c) 2013 Paul Miller http://paulmillr.com
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the âSoftwareâ), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED âAS ISâ, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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