Array functions in jQuery

jQuery has very limited array functions since JavaScript has most of them itself. But here are the ones they have: Utilities - jQuery API.

An easy way to get the max and min value in an array is as follows. This has been explained at get max & min values in array

var myarray = [5,8,2,4,11,7,3];
// Function to get the Max value in Array
Array.max = function( array ){
return Math.max.apply( Math, array );
};

// Function to get the Min value in Array
Array.min = function( array ){
return Math.min.apply( Math, array );
};
// Usage 
alert(Array.max(myarray));
alert(Array.min(myarray));

The Visual jQuery site has some great examples of jQuery's array functionality. (Click "Utilities" on the left-hand tab, and then "Array and Object operations".)

There's a plugin for jQuery called 'rich array' discussed in Rich Array jQuery plugin .

You can use Underscore.js. It really makes things simple.

For example, removing elements from an array, you need to do:

_.without([1, 2, 3], 2);

And the result will be [1, 3].

It reduces the code that you write using jQuery.grep, etc. in jQuery.

Look into the jQuery functions .grep() and .map()

Also there is a jQuery plugin that adds some methods on an array:

Implementing Prototype’s Array Methods in jQuery

This plugin implements Prototype's library array methods such as:

var arr = [1,2,3,4,5,6];
$.protify(arr, true);
arr.all();  // true

var arr = $.protify([1, 2, 3, 4, 5, 6]);
arr.any(); // true

And more.