index.js 208 Bytes Raw Blame History Permalink 1 2 3 4 5 6 7 8 9 10 var indexOf = [].indexOf; module.exports = function(arr, obj){ if (indexOf) return arr.indexOf(obj); for (var i = 0; i < arr.length; ++i) { if (arr[i] === obj) return i; } return -1; };