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| module.exports = {
| indexOf: function(arr, item) {
| var i, j;
| if (Array.prototype.indexOf) {
| return arr.indexOf(item);
| }
| for (i = 0, j = arr.length; i < j; i++) {
| if (arr[i] === item) {
| return i;
| }
| }
| return -1;
| },
| forEach: function(arr, fn, scope) {
| var i, j;
| if (Array.prototype.forEach) {
| return arr.forEach(fn, scope);
| }
| for (i = 0, j = arr.length; i < j; i++) {
| fn.call(scope, arr[i], i, arr);
| }
| },
| trim: function(str) {
| if (String.prototype.trim) {
| return str.trim();
| }
| return str.replace(/(^\s*)|(\s*$)/g, "");
| },
| spaceIndex: function(str) {
| var reg = /\s|\n|\t/;
| var match = reg.exec(str);
| return match ? match.index : -1;
| }
| };
|
|
