Nodejs Number Calculate getDecimalgetDecimal()

Method Source Code

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

Related

1. 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);
   ...
   

2. floatMethod()

   Number.prototype.floatMethod = function() {
       return parseFloat(this).toFixed(2);
   };
   function convert_float() {
       var n = 60.00;
      console.log(n.floatMethod());
   convert_float(n);
   

3. frac()

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

4. fuzzyEqual(otherNumber)

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

5. gcd(b)

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

6. getDisplayText(number)

   Number.getDisplayText = function(number) {
       if (number < 1000) {
           return number;
       if (number < 1000000) {
           return (number / 1000).toFixed(1) * 1 + "k";
       return (number / 1000000).toFixed(1) * 1 + "m";
   };
   ...
   

7. getHashCode()

   Number.prototype.getHashCode = function () {
       var x = this;
       x = ((x >> 16) ^ x) * 0x45d9f3b;
       x = ((x >> 16) ^ x) * 0x45d9f3b;
       x = ((x >> 16) ^ x);
       return x;
   };
   

8. getHisByMs()

   Number.prototype.getHisByMs=function(){
       var ms=this;
       var date=new Date(ms);
       var his=[];
       his.push(Number(date.getHours()).addZero());
       his.push(Number(date.getMinutes()).addZero());
       his.push(Number(date.getSeconds()).addZero());
       return his;
   

9. getPrecisiongetPrecision(length)

   Number.prototype.getPrecision = function getPrecision(length) {
       var value = parseFloat(this);
       if (Number.isFloat(value)) {
           return value.toString().split(".")[1].length;
       return 0;
   };