Nodejs Array Max maximum()

Method Source Code

/*/* w ww . ja va  2  s .co m*/
 * Extends array object with a function to retrieve the maximum value from an array
 * Requirement : Array only contains integers
 **/
Array.prototype.maximum = function()
{
    var max = this[0];
    for(el in this)
    {
        if(this[el] > max)
        {
            max = this[el] ;
        }
    }
    return max ;
};

Related

1. max(s)

   Array.prototype.max = function (s) {
     s = s || Selector;
     var l = this.length;
     var max = s(this[0]);
     while (l-- > 0)
       if (s(this[l]) > max) max = s(this[l]);
     return max;
   };
   

2. max(selector)

   Array.prototype.max = function(selector){
     var maxItem = this[0];
     var maxValue = -999999;
     this.forEach(function(item){
       var value = selector(item);
       if( value > maxValue ){
         maxItem = item;
         maxValue = value;
     });
     return maxItem;
   

3. maxima()

   Array.prototype.maxima = function() {
     for(var i = 0, maxValue = Number.MIN_VALUE; i < this.length; i++) {
       parseInt(this[i]) > maxValue && (maxValue = this[i]);
     return maxValue
   var arr = [1,21,3,4,22,45,6,7,32];
   console.log(arr.join("|") + ":" + arr.maxima());
   

4. maxima()

   Array.prototype.maxima = function(){
     for (var i = 0, maxValue = Number.MIN_VALUE; i < this.length; i++) {
       parseInt(this[i]) > maxValue &&  (maxValue = this[i])
     };
     return maxValue
   var arr = [1,21,3,4,22,45,6,7,32];
   console.log(arr.join("+")+"="+arr.sum());
   console.log(arr.join("|")+" "+arr.maxima());
   ...
   

5. maximum()

   'use strict';
   Array.prototype.maximum = function () {
     return this.reduce(function (max, aValue) {
       return Math.max(max, aValue);
     }, this[0]);
   };