Nodejs Number Calculate cos()

Here you can find the source of cos()

Method Source Code

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

Related

  1. timesPlusOne()
    Number.prototype.timesPlusOne = function () {
        return _.map(this.times(), function (i) {
            return i + 1;
        });
    };
    
  2. timesRepeat(f)
    Number.prototype.timesRepeat = function(f){
      for(var i=0; i<this; i++){
        f();
    
  3. timesTwo(x)
    var x = new Number(2);
    console.log(x);
    Number.prototype.timesTwo = function(x){
      return x * 2;
    };
    console.log(x.timesTwo(x));
    console.log(Number.isNaN(x));
    Number.isInteger = Number.isInteger || function(x){
      return typeof x === "number" &&
    ...
    
  4. clone(handler)
    Number.prototype.clone = function(handler) {
      return new this.constructor(this);
    };
    
  5. concat(value)
    Number.prototype.concat = Number.prototype.concat || function (value) {
      let number = this;
      let digits = exports.digitLength(value);
      number *= Math.pow(10, digits);
      return number + value;
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  6. countDecimals()
    Number.prototype.countDecimals = function () {
        if(Math.floor(this.valueOf()) === this.valueOf()) return 0;
        return this.toString().split(".")[1].length || 0; 
    
  7. decimal(nb)
    Number.prototype.to_s       = function(){ return toString(this)     }
    Number.prototype.to_i       = function(){ return parseInt(this, 10) }
    Number.prototype.is_string  = function(){return false}
    Number.prototype.is_hash    = function(){return false}
    Number.prototype.is_array   = function(){return false}
    Number.prototype.is_number  = function(){return true}
    Number.prototype.decimal = function(nb) {
        if( this.toString().indexOf('.') === false ) return this ;
        m = Math.pow(10, nb) ;
    ...
    
  8. decimalPlaces(digits)
    Number.prototype.decimalPlaces = function(digits) {
        var re = new RegExp("(\\d+\\.\\d{" + digits + "})(\\d)"),
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        return m ? parseFloat(m[1]) : this.valueOf();
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  9. decorateFloat(decimals, decSeparator)
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        decSeparator = '.';
      var price = this;
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    ...