avishwakarma

/**
 * window.requestAnimationFrame polyfill
 */
(function() {
    var lastTime = 0;
    var vendors = ['ms', 'moz', 'webkit', 'o'];
    for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
        window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
        window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame']
            || window[vendors[x]+'CancelRequestAnimationFrame'];

avishwakarma

/**
 * $.onScreen jQuery plugin
 * @uses $("#eample").onScreen() // return true if element is in current view port
 */
$.fn.onScreen = function(x, y){
    if(x == null || typeof x == 'undefined') x = 1;
    if(y == null || typeof y == 'undefined') y = 1;
    var win = $(window);
    var viewport = {
        top : win.scrollTop(),

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/**
 * $.swap - jQuery plugin to swap two elements
 * Swap the current element with other element
 * @uses $("#eample").swap($("#element"))
 */

$.fn.swap = function(to) {
    return this.each(function(){
        var ct = $(to).clone(true);
        var cf = $(this).clone(true);

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/**
 * replaceAll - JavaScript string function
 * @uses replace all matching substring to its corresponding replace string
 * Worked similarly as str_replace in PHP
 */

String.prototype.replaceAll = function(find, replace) {
	var replaceString = this;
	var regex;
	for (var i = 0; i < find.length; i++) {

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/**
 * serializeObject - jQuery plugin to serialize form elements as an object
 * @uses $("#form").serializeObject(); // return {input:"value", input2:"value" .. }
 */

$.fn.serializeObject = function(){
    var o = {};
    var a = this.serializeArray();
    $.each(a, function() {
        if (o[this.name] !== undefined) {

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/**
 * isPalindrome - function to check if a number or string is palindrome
 * @uses isPalindrome(141) // true
 */

function isPalindrome(str){
    return (str + "").split("").reverse().join("") == (str + "");
}

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/**
 * remove all spaces (" ") from string
 * @uses removeSpaces("sample string with s p a c e s") // samplestringwithspaces
 */

function removeSpaces(str){
    return (str + "").replace(/ /g,'');
}

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/**
 * unique - Array function for unique elements
 * @use [2, 2, 3, 4, 3, 2].unqiue() // [2, 3, 4]
 */

Array.prototype.unique = function() {
    var unique = [];
    for (var i = 0; i < this.length; i++) {
        if (unique.indexOf(this[i]) == -1) {
            unique.push(this[i]);

avishwakarma

/**
 * size - Object size in javascript
 * @uses {a:1, b:2}.size() // 2
 */

Object.prototype.size = function(obj) {
    var size = 0, key;
    for (key in obj) {
        if (obj.hasOwnProperty(key)) size++;
    }

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/**
 * flat / merge all sub array into one array
 * @uses [['1', '2'], ['3', '4], '5', '6'].flat(); // ['1', '2', '3', '4', '5', '6']
 */
Array.prototype.flat = function(){
    return [].concat.apply([], this);
}