Nodejs Number Calculate fillZero(len)

Method Source Code

Number.prototype.fillZero = function (len)
{
   var s = this.toString(10);
   while (s.length<len) s = "0" + s;
   return s;/*www  .j a va  2s. c  o m*/
}

Related

1. double()

   Number.prototype.double = function() {
     return this * 2;
   };
   

2. doubleDigitalize()

   "use strict";
   Number.prototype.doubleDigitalize = function() {
     const numberString = this.toString();
     return numberString.length < 2 ? "0" + numberString : numberString;
   };
   

3. equals(another)

   Number.prototype.equals = function (another) {
       return this - another === 0;
   };
   

4. exp()

   Number.prototype.exp = function() {
     return Math.exp(this);
   };
   

5. fe(x)

   Number.prototype.fe = function(x)
     var s = x.toString();
     var point = s.search(/\./);
     if (point == -1)
       return (Math.abs(this - x) < 0.5);    
     else
   ...
   

6. firstDigit()

   Number.prototype.firstDigit = Number.prototype.firstDigit || function () {
     let number = this;
     while (number >= 10) {
       number = Math.floor(number / 10);
     return number;
   };
   

7. fix(n)

   Number.prototype.fix = function (n) {
       var val = String(this);
       n = Math.abs(n);
       val = val.split('.');
       val[1] = val[1] || '';
       var m = val[1].length;
       if (m < n) {
           m = n - m;
           while (m > 0) {
   ...
   

8. fizz()

   Number.prototype.fizz = function() {
       return this % 3 === 0 ? "fizz" : "";
   };
   Number.prototype.buzz = function() {
       return this % 5 === 0 ? "buzz" : "";
   };
   for (var i = 1; i <= 15; i++) {
       var candidate = Number(i).fizz() + Number(i).buzz();
       console.log(candidate ? candidate : i);
   ...
   

9. float()

   var num = 5;
   Number.prototype.float = function(){ 
         return this.toFixed(2);
   Number.prototype.int = function(){ 
         return parseInt(this) ;
   console.log(num.float());
   console.log(num);
   ...