Nodejs String Trim trim()

Method Source Code

/**//from w ww  .  j a v a  2s.c  o m
 * 018_trim_a_string.js
 * http://www.codewars.com/kata/trim-a-string/train/javascript
 *
 * Sjaak van den Berg
 * https://www.twitter.com/svdb
 */

/**
 * Extend the String prototype by a `trim` function, that returns the string
 * with leading or trailing whitespaces removed.
 */

String.prototype.trim = function() {
  return this.replace(/^\s+/, '').replace(/\s+$/, '');
};

Related

1. trim()

   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,"");
   

2. trim()

   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){
   ...
   

3. trim()

   function $(e){
     return document.getElementById(e);
   String.prototype.trim = function(){
     return this.replace(/(^\s+)|(\s+$)/g,"");
   function checkFormField(fieldObj,msgObj,re,nullMsg,errorMsg){
     msgObj.innerHTML = "";
     var v = fieldObj.value.replace(/(^\s+)|(\s+$)/g,"");
   ...
   

4. trim()

   String.prototype.trim = function()
     return this.replace(/^\s*/, "").replace(/\s*$/, "");
   

5. trim()

   String.prototype.trim = String.prototype.trim || function(){
     if (!this) return this;
     return this.replace(/^\s+|\s+$/g, "");
   

6. trim()

   String.prototype.trim = function() {
     return this.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
   

7. trim()

   String.prototype.trim = function() {
     return this.replace(/^s+|s+$/, ?);
   

8. trim()

   function trim(stringToTrim) {
     return stringToTrim.replace(/^\s+|\s+$/g,"");
   function ltrim(stringToTrim) {
     return stringToTrim.replace(/^\s+/,"");
   function rtrim(stringToTrim) {
     return stringToTrim.replace(/\s+$/,"");
   String.prototype.trim = function() {return this.replace(/^\s+|\s+$/g,"");}
   String.prototype.ltrim = function() {return this.replace(/^\s+/,"");}
   String.prototype.rtrim = function() {return this.replace(/\s+$/,"");}
   

9. trim()

   String.prototype.trim = function(){
     if(/^([ | ]*)(.*)([ | ]*)$/.test(this)){
       return RegExp.$2;
     return this;
   };