Nodejs String Trim trim()

Method Source Code

String.prototype.trim = function () {
    var start, end;
    start = 0;//from   w ww . ja va  2  s. c o  m
    end = this.length - 1;

    while (start <= end && str.charAt(start) == ' ') {
        start++;
    }

    while (start <= end && str.charAt(end) == ' ') {
        end--;
    }

    return this.substring(start, end + 1);

}

Related

1. trim()

   String.prototype.trim = function(){
     var start,end;
     start=0;
     end=this.length-1;
     while(start<=end && this.charAt(start)==' '){
       start++;
     while(start<=end && this.charAt(end)==" "){
       end--;
   ...
   

2. trim()

   Array.isArray = Array.isArray || function (obj) {
     return toString.call(obj) === '[object Array]';
   };
   String.prototype.trim = String.prototype.trim || function () {
     var str = this.replace(/^\s\s*/, ''),
       i = str.length;
     for (let rgxp = /\s/; rgxp.test(str.charAt(--i));) {}
     return str.substring(0, i + 1);
   };
   ...
   

3. trim()

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

4. trim()

   String.prototype.trim = function() {
     return this.replace(/\s/g, "");
   

5. trim()

   String.prototype.trim= function()
       var str= this.replace(/^\s+/, '');
     for (var i = str.length - 1; i > 0; --i)
       if (/\S/.test(str.charAt(i)))
         str = str.substring(0, i + 1);
         break;
     return str;
   

6. trim()

   exports.version = '0.0.1';
   String.prototype.trim = function() { 
     return this.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
   

7. trim()

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

8. trim()

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

9. trim()

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