Nodejs Number Calculate floatMethod()

Method Source Code

Number.prototype.floatMethod = function() {
    return parseFloat(this).toFixed(2);
};
function convert_float() {
    var n = 60.00;
   console.log(n.floatMethod());//from w w w  . j  av  a 2 s  .c  o m
}

convert_float(n);

Related

1. fillZero(len)

   Number.prototype.fillZero = function (len)
     var s = this.toString(10);
     while (s.length<len) s = "0" + s;
     return s;
   

2. firstDigit()

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

3. 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) {
   ...
   

4. 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);
   ...
   

5. 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);
   ...
   

6. frac()

   Number.prototype.frac = function() {
     return this - Math.floor(this);
   };
   

7. fuzzyEqual(otherNumber)

   Number.prototype.fuzzyEqual = function(otherNumber)
       return Math.abs(this - otherNumber) <= 0.00001;
   

8. gcd(b)

   Number.prototype.gcd = function(b) {
     return (b == 0) ? this : this.gcd(this % b);
   

9. getDecimalgetDecimal()

   Number.prototype.getDecimal = function getDecimal() {
       return parseInt(this, 10);
   };