Nodejs String Trim trimSpaces()

Method Source Code

String.prototype.trimSpaces = function () {
   var phrases = this.split(" ");
   var result = "";
   for (var i = 0; i < phrases.length; i++) {
      if (!phrases[i]=="") {
         if (result=="") {
            result = phrases[i];// ww w.ja  va  2 s  . c om
         } else {
            result += " " + phrases[i];
         }
      }
   }
   return result;
}

Related

1. trim2()

   String.prototype.trim2 = function() {
     return this.replace(/^\s+|\s+$/g, '');
   };
   String.prototype.trim = function() {
     return this.replace(/^\s+/, '').replace(/\s+$/, '');
   };
   'foo     '.trim(); 
   '     foo'.trim(); 
   '  foo   '.trim(); 
   ...
   

2. trimBoth(s)

   String.prototype.trimBoth = function(s) {
       return this.replace(new RegExp("^" + s + "+|" + s + "+$", "gm"), "");
   

3. trimChars(charlist)

   String.prototype.trimChars = function(charlist) {
     charlist = charlist || ' \r\n\t';
       var l = 0, i = 0;
       var ret = this;
       l = ret.length;
       for (i = 0; i < l; i++) {
           if (charlist.indexOf(ret.charAt(i)) === -1) {
               ret = ret.substring(i);
               break;
   ...
   

4. trimSlash()

   String.prototype.trimSlash = function () {
       var string = this.trim();
       if (string.charAt(0) == "/") {
           string = string.substring(1);
       if (string.charAt(string.length - 1) == "/") {
           string = string.substring(0, string.length - 1);
       return string;
   ...
   

5. trimSpace()

   'use strict';
   String.prototype.trimSpace = function() {
       var s = this;
       var n = s.length - 1;
       while (n >= 0 && s.charCodeAt(n) == 32) {
           n--;
       return n >= 0 ? s.substr(0, n + 1) : "";
   };
   ...
   

6. trimStart(c)

   String.prototype.trimStart=function(c)
       c = c?c:' ';
       var i=0;
       for(;i<this.length && this.charAt(i)==c; i++);
       return this.substring(i);
   

7. trimStart(s)

   String.prototype.trimStart = function(s) {
       return this.replace(new RegExp("^" + s + "+", "gm"), "");
   

8. trimString_trim()

   String.prototype.trim = function String_trim()
     this.replace(/^\s+/m, '').replace(/\s+$/m, '');
   

9. trimTailChars(c)

   String.prototype.trimTailChars = function(c){
     var idx, len = this.length;
     var tmp = this;
     while(len--){
       idx = tmp.lastIndexOf(c);
       if(idx == -1) {
         break;
       tmp = tmp.substring(0,idx);
   ...