Here you can find the source of trim()
// To trim the string in JS.. // create the prototype on the String object String.prototype.trim = function() { // skip leading and trailing whitespace // and return everything in between var x=this;//from w ww . j ava 2 s .c o m x=x.replace(/^\s*(.*)/, "$1"); x=x.replace(/(.*?)\s*$/, "$1"); return x; }
String.prototype.trim = function () { "use strict"; return this.replace(/^\s+|\s+$/g, ''); };
String.prototype.trim = function() { var re = /^\s+|\s+$/g; return this.replace(re, "");
String._trimRE = new RegExp().compile(/^\s+|\s+$/g); String.prototype.trim = function() return this.replace(String._trimRE, "");
String.prototype.trim = function() { return this.replace(/^\s*/, "").replace(/\s*$/, ""); };
console.log("'" + " a ".trim() + "'"); String.prototype.trim = function(){ return this.replace(/^\s+|\s+$/g, ''); }; console.log("'" + " b ".trim() + "'");
var Firefox = (document.getElementById && !document.all); var MSIE = (-1 != navigator.userAgent.indexOf('MSIE')); String.prototype.trim=function(){ return this.replace(/^\s+|\s+$/g,""); }; function Redirect(url) parent.location=url; var Submitted = 0; function OnSubmit(form) if (Submitted) { return false; Submitted = 1; return true;
String.prototype.trim = function(){ return this.rTrim(this.lTrim());
String.prototype.trim = String.prototype.trim || function () { const str = this.replace(/^\s\s*/, ''); let i = str.length; for (let rgxp = /\s/; rgxp.test(str.charAt(--i));) { return str.substring(0, i + 1); }; ...
'use strict'; Array.isArray = Array.isArray || function (obj) { return {}.call(obj) === '[object Array]'; }; String.prototype.trim = String.prototype.trim || function () { const str = this.replace(/^\s\s*/, ''); let i = str.length; ...