Nodejs String Trim trim()

Here you can find the source of trim()

Method Source Code

String.prototype.trim = (function () {

    var trimLeft  = /^\s+/,
        trimRight = /\s+$/;//from  w w w .  j  av  a  2 s .c om

    return function () {
      return this.replace(trimLeft, "").replace(trimRight, "");
    }
};

Related

  1. trim || (String.prototype.trim()
    String.prototype.trim || (String.prototype.trim = function() {
        var str = this.replace(/^\s\s*/, ''),
            ws = /\s/,
            i = str.length;
        while(ws.test(str.charAt(--i)));
        return str.slice(0, i + 1);
    });
    
  2. trim( )
    String.prototype.trim = function( )
      return( this.replace(new RegExp("^([\\s]+)|([\\s]+)$", "gm"), "") );
    };
    
  3. trim( ext )
    String.prototype.trim = function( ext )
      var chars = [
        " ", "\t", "\n", "\r"
      ];
      var s = this.copy();
      if( arguments.length > 0 ){
        for( var i in ext ){
          chars.push( ext[i] );
    ...
    
  4. trim(()
    String.prototype.trim = (function() {
      var trimRegex = /(^\s+|\s+$)/g;
      return function() {
        return this.replace(trimRegex, '');
      };
    }());
    
  5. trim(()
    String.prototype.trim = (function() {
            var trimRegex = /(^\s+|\s+$)/g;
            return function() {
                    return this.replace(trimRegex, '');
            };