Nodejs Array Max max()

Method Source Code

/**/*  w  w  w .  j  a v  a 2  s .com*/
*   Function's prototype adding to simplify coding
*/

/**
* \brief Get the maximum element of an array
*/         
Array.prototype.max = function() {
  return Math.max.apply(null, this);
};

/**
* \brief Get the minimum element of an array
*/
Array.prototype.min = function() {
  return Math.min.apply(null, this);
};

/**
* \brief Get length of the array/count of elements
* TODO: Should be on non-null objects/filter some information
*/
Array.prototype.count = function(){
   return this.length;
};

/**
* \author Chunong Liu
* \source http://jszen.com/best-way-to-get-unique-values-of-an-array-in-javascript.7.html
*/
Array.prototype.unique = function()
{
   this.sort();
   var re=[this[0]];
   for(var i = 1; i < this.length; i++)
   {
      if( this[i] !== re[re.length-1])
      {
         re.push(this[i]); 
      }
   }
   return re;
}

Related

1. max()

   Array.prototype.max = function() {
     var max = this[0];
     var len = this.length;
     for (var i = 1; i < len; i++){
       if (this[i] > max) {
         max = this[i];
     return max;
   ...
   

2. max()

   Array.prototype.max = function() {
     return this.reduce(function(p, v) {
       return (p > v ? p : v);
     });
   

3. max()

   Array.prototype.max = function(){
       var i, max = this[0];
       for (i = 1; i < this.length; i++){
           if (max < this[i])
               max = this[i];
       return max;
   };
   

4. max()

   Math.clamp = function(val, min, max) {
       return Math.max(Math.min(val, max), min);
   };
   Array.prototype.max = function() {
       return Math.max.apply(null, this);
   Array.prototype.min = function() {
       return Math.min.apply(null, this);
   

5. max()

   maxNum([1,2,3]);    
   maxNum([10,3,10,4]);  
   maxNum([-5,100]);    
   function maxNum(arr) {
     var max = arr[0];
     for(var i = 1; i < arr.length; i++) {
       if(arr[i] > max) {
         max = arr[i];
     return max;
   function maxNum(arr) {
     var len = arr.length; 
     var max = -Infinity;
     while (len--) {
       if (arr[len] > max) {
         max = arr[len];
     return max;
   };
   var arr = [1,3,5];
   Array.prototype.max = function() {
     return Math.max.apply(null, this);
   console.log(arr.max());
   

6. max()

   var Canvas = require('../')
     , canvas = new Canvas(50, 50)
     , ctx = canvas.getContext('2d');
   process.on('SIGINT', function(){
     ctx.reset();
     process.nextTick(function(){
       process.exit();
     });
   });
   ...
   

7. max()

   Array.prototype.max = function () {
       return this.reduce(function(previousValue, currentValue) {
           return previousValue > currentValue ? previousValue : currentValue;
       });
   };
   

8. max()

   Array.prototype.max = function() {
     var max = this[0];
     for(var i=1; i<this.length; i++) {
       if(max < this[i]) max = this[i];
     return max;
   };
   

9. max()

   Array.prototype.max = function(){
     var ret=this[0];
     for(var i=1;i<this.length;i++){
       ret = ret>this[i]?ret:this[i];
     return ret;