Nodejs String to Number Convert toNumber()

Method Source Code

String.prototype.toNumber = function()
{
   var res = 0;/*from  ww w. j av a 2 s. c om*/

   for(var i = this.length - 1; i >= 0; --i) {
      res += res * 256 + this.charCodeAt( i );
   }

   return res;
}

Related

1. toNumber()

   String.prototype.toNumber = function() {
     return parseFloat(this);
   };
   

2. toNumber()

   String.prototype.toNumber = function(){
     return +this;
   };
   

3. toNumber()

   String.prototype.toNumber = function(){
     if(this.match(/\./)){
       return parseFloat(this, 10);
     } else {
       return parseInt(this, 10);
   };
   

4. toNumber()

   String.prototype.toNumber = function(){
     var str = this.gsub(",", ".");
     if (str.length == 0)
       return 0;
     var parts = str.split(".");
     if (parts.length > 1){               
       var res = '';
       for(var i=0; i<parts.length-1; i++){
         res = res + parts[i];
   ...
   

5. toNumber()

   String.prototype.toNumber = function() {
       return Number(this);