Nodejs String to Number Convert toNum()

Method Source Code

String.prototype.toNum = function() {
   if (this.length === 0) return 0;
   return parseInt(this);
}

Related

1. toNumber()

   String.prototype.toNumber = function() {
       return parseInt(this);
   };
   var ten = "10";
   var fifty = "50";
   console.log(ten.toNumber()); 
   console.log(fifty.toNumber()); 
   

2. toNumber()

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

3. toNumber()

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

4. toNumber()

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