Nodejs Number to Decimal Convert toDecimal(value)

Method Source Code

Number.prototype.toDecimal = function(value) { 
  var precision = 2; 
  var power     = Math.pow(10, precision || 0);
  return String(Math.round(value * power) / power);
};

Related

1. toDecimal()

   Number.prototype.toDecimal = function(){
     if(this > 0){
       return this / 100;
     }else{
       return this * 1;
   };
   

2. toDecimalPrecision(number_of_decimal_places)

   Number.prototype.toDecimalPrecision = function(number_of_decimal_places) {
     var components = ("" + this).split('.')
     if (components[0] == undefined) components[0] = "0";
     if (components[1] == undefined) components[1] = "0";
     return components[0] + '.' + components[1].substr(0,number_of_decimal_places)
   

3. toMaxDecimal(d)

   var k2c = k => k - 273.15
   var k2r = k => k * 1.8
   var k2f = k => k2r(k) - 459.67
   Number.prototype.toMaxDecimal = function (d) {
     return +this.toFixed(d) + ''
   function kCnv(k) {
     document.write( k,'K? = ', k2c(k).toMaxDecimal(2),'C? = ', k2r(k).toMaxDecimal(2),'R? = ', k2f(k).toMaxDecimal(2),'F?<br>' )
   kCnv(21)
   kCnv(295)
   

4. toMaxFiexed(digits)

   Number.prototype.toMaxFiexed = function (digits) {
     var ret = this.toFixed(digits);
     ret = ret.replace(/0+$/, '').replace(/\.$/, '');
     return ret;
   function HTMLEncode (input) { 
     var converter = document.createElement("DIV"); 
     converter.innerText = input; 
     var output = converter.innerHTML; 
   ...
   

5. toMillions()

   Number.prototype.toMillions = function() {
     return (this / 1000000).toFixed(1) + 'M';
   };