Nodejs String Trim trim()

Method Source Code

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

String.prototype.trim = function() {
  var start = 0,/*from ww w .  jav  a 2  s .c  o m*/
    end = this.length - 1,
    ws = /\s/;
  while (ws.test(this.charAt(start))) {
    start++;
  }
  while (end > start && ws.test(this.charAt(end))) {
    end--;
  }
  return this.slice(start, end + 1);
};


String.prototype.trim = function() {
  var str = this.replace(/^\s+/, "");
  end = str.length - 1;
  ws = /\s/;
  while (ws.test(str.charAt(end))) {
    end--;
  }
  return str.slice(0, end + 1);
};

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

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

Related

1. trim()

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

2. trim()

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

3. trim()

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

4. trim()

   function cutFixedNum(value,num){
     var value_str = "" + value;
     var index = value_str.indexOf('.');
     if (index!=-1){
       value_str = value_str.substring(0,index+num+1);
     return value_str;
   String.prototype.trim = function() 
   ...
   

5. trim()

   var Person = function() {
       this.omdb_id
       this.name
       this.character
       this.job
   String.prototype.trim = function() {
       return this.replace(/^\s+|\s+$/g, '');
   };
   ...
   

6. trim()

   String.prototype.trim = function()
       var res = this;
       while (res.substring(0, 1) == " ") {
           res = res.substring(1, res.length);
       while (res.substring(res.length - 1, res.length) == " ") {
           res = res.substring(0, res.length - 1);
       return res;
   

7. trim()

   String.prototype.trim = function () {
     return this .replace(/^\s\s*/, '' ).replace(/\s\s*$/, '' );
   function isEmpty(str){
     if(str == null || str== undefined || str.trim().length == 0)
       return true;
     else
       return false;
   

8. trim()

   String.prototype.trim = function () {
       var str = this.replace( /^\s\s*/, '' ),
           ws = /\s/,
           i = str.length;
       while ( ws.test( str.charAt( i -= 1 ) ) ) {}
       return str.slice( 0, i + 1 );
   };
   

9. trim()

   String.prototype.trim = function () {
       var str = this.replace( /^\s\s*/, '' ),
           ws = /\s/,
           i = str.length;
       while ( ws.test( str.charAt( i -= 1 ) ) ) {}
       return str.slice( 0, i + 1 );
   };