Nodejs String Trim trim()

Method Source Code

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/*  w  w  w  .ja v  a2s .c o m*/
      return false;
}

Related

1. trim()

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

2. 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() 
   ...
   

3. trim()

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

4. trim()

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

5. 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;
   

6. 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 );
   };
   

7. 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 );
   };
   

8. trim()

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

9. trim()

   String.prototype.trim = function() { return this.replace(/^\s+|\s+$/g, ''); }
   function isProbablyUrl(string) {
     var substr = string.substring(0,4).toLowerCase();
     if (substr == 'ftp:' || substr == 'www.') return true;
     var substr = string.substring(0,5).toLowerCase();
     if (substr == 'http:') return true;
     var substr = string.substring(0,6).toLowerCase();
     if (substr == 'https:') return true;
     var substr = string.substring(0,7).toLowerCase();
   ...