| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657 | 
							- 'use strict';
 
- exports.repeat = function (str, num) {
 
-   var result = '';
 
-   for (var i = 0; i < num; i++) { result += str; }
 
-   return result;
 
- };
 
- exports.arrayEqual = function (a, b) {
 
-   if (a.length !== b.length) { return false; }
 
-   for (var i = 0; i < a.length; i++) {
 
-     if (a[i] !== b[i]) { return false; }
 
-   }
 
-   return true;
 
- };
 
- exports.trimChars = function (str, chars) {
 
-   var start = 0;
 
-   var end = str.length - 1;
 
-   while (chars.indexOf(str.charAt(start)) >= 0) { start++; }
 
-   while (chars.indexOf(str.charAt(end)) >= 0) { end--; }
 
-   return str.slice(start, end + 1);
 
- };
 
- exports.capitalize = function (str) {
 
-   return str.charAt(0).toUpperCase() + str.slice(1);
 
- };
 
- exports.arrayUnion = function () {
 
-   var result = [];
 
-   for (var i = 0, values = {}; i < arguments.length; i++) {
 
-     var arr = arguments[i];
 
-     for (var j = 0; j < arr.length; j++) {
 
-       if (!values[arr[j]]) {
 
-         values[arr[j]] = true;
 
-         result.push(arr[j]);
 
-       }
 
-     }
 
-   }
 
-   return result;
 
- };
 
- function has(obj, key) {
 
-   return Object.prototype.hasOwnProperty.call(obj, key);
 
- }
 
- exports.has = has;
 
- exports.extend = function (dest, src) {
 
-   for (var i in src) {
 
-     if (has(src, i)) { dest[i] = src[i]; }
 
-   }
 
- };
 
- exports.trimEnd = function (str) {
 
-   return str.replace(/\s+$/g, '');
 
- };
 
 
  |