Nodejs Utililty Methods Number Calculate

Number.prototype.gt = function(right) { return this > right };
Number.prototype.ge = function(right) { return this >= right };
Number.prototype.lt = function(right) { return this < right };
Number.prototype.le = function(right) { return this <= right };
Number.prototype.eq = function(right) { return this == right };
Number.prototype.ne = function(right) { return this != right };

Number.prototype.hasDiv = function( n ) {
  return Number.isInteger( this / n )
function sum( ary ) {
  var out = 0
  for (var n in ary)  {
    out += ary[n]
  return out
...

Number.prototype.hasMult = function( n ) {
  return Number.isInteger( this / n )
function fun100() {
  out = []
  for ( var i = 1; i <= 100; i++ ) {
    if ( i.hasMult(3) ) {
      out.push['Fizz']
    else if ( i.hasMult(5) ) {
      out.push['Buzz']
    else if ( i.hasMult(5) && i.hasMolt(3) ) {
      out.push["Fizzbuzz"]
    else {
      out.push( i.toString() )
  return out

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

Number.prototype.intToHSL = function() {
    var shortened = this % 360;
    return "hsl(" + shortened + ",45%,56%)";
};

Number.prototype.max = function(maximum) {
    if (this.valueOf() > maximum){
      return maximum;
    } else {
      return this.valueOf();
};

Number.prototype.min = function(minimum) {
    if (this.valueOf() < minimum){
      return minimum;
    } else {
      return this.valueOf();
};

Number.prototype.mod = Number.prototype.mod || function(n) {
  return ((this%n)+n)%n;

Number.prototype.mult = function() {
    var w = this;
    for (var i = 0; i < arguments.length; i += 1)
        w *= arguments[i];
    return w;
var n = 12;
console.log(n.mult(2, 3));
console.log((5).mult(2, n));
...

Number.prototype.next = function(){
    return this+1;
};