Utility method to compute the difference between two arrays. AMD and CommonJS compatible; works in Node.js and the browser.
$ npm install array-difference
var array1 = [1, 2, 3]; var array2 = [2, 3, 4]; difference(array1, array2); // yeilds [1, 4]
Copyright (c) 2013 Mike Pennisi
Licensed under the MIT Expat license.