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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;
- },
- };
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