Here you can find the source of trim()
function $(e){//from w ww .ja va2s.co m return document.getElementById(e); } String.prototype.trim = function(){ return this.replace(/(^\s+)|(\s+$)/g,""); } function checkFormField(fieldObj,msgObj,re,nullMsg,errorMsg){ msgObj.innerHTML = ""; var v = fieldObj.value.replace(/(^\s+)|(\s+$)/g,""); var flag = true; if(v.length==0){ msgObj.innerHTML = nullMsg; flag = false; } else{ if(!(re.test(v))){ msgObj.innerHTML = errorMsg; flag = false; } } return flag; }
String.prototype.trim = function(){ return this.rTrim(this.lTrim());
String.prototype.trim = String.prototype.trim || function () { const str = this.replace(/^\s\s*/, ''); let i = str.length; for (let rgxp = /\s/; rgxp.test(str.charAt(--i));) { return str.substring(0, i + 1); }; ...
'use strict'; Array.isArray = Array.isArray || function (obj) { return {}.call(obj) === '[object Array]'; }; String.prototype.trim = String.prototype.trim || function () { const str = this.replace(/^\s\s*/, ''); let i = str.length; ...
String.prototype.trim=function(){ return this.replace(/(^\s*)|(\s*$)/g, ""); String.prototype.ltrim=function(){ return this.replace(/(^\s*)/g,""); String.prototype.rtrim=function(){ return this.replace(/(\s*$)/g,""); function trim(str){ return str.replace(/(^\s*)|(\s*$)/g, ""); function ltrim(str){ return str.replace(/(^\s*)/g,""); function rtrim(str){ return str.replace(/(\s*$)/g,"");
var person = {}; person.say = function(name){ console.log(name); }; person.say("lilei"); String.prototype.trim = function(){ return this.replace(/(^\s*)|(\s*$)/g, ""); function trim(str){ ...
String.prototype.trim = function() return this.replace(/^\s*/, "").replace(/\s*$/, "");
String.prototype.trim = String.prototype.trim || function(){ if (!this) return this; return this.replace(/^\s+|\s+$/g, "");
String.prototype.trim = function() { return this.replace(/^\s+/, '').replace(/\s+$/, ''); };
String.prototype.trim = function() { return this.replace(/^\s\s*/, '').replace(/\s\s*$/, '');