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Use the next pseudo code to warning a random values from given array using javascript. var item_array = [1, 3, 4, 5]; var random_item = item_array[Math.floor(Math.random() * item_array.length)]; alert(random_item); Explanation: Create an array of your choice, together with so pick 1 chemical constituent from the array. You produce this past times choosing a random unwrap using Math.random(), which gives yous a resultant greater than or equal to 0 together with less than 1. Multiply past times the length of your array, together with create got the flooring (that is, create got but the integer part, dropping off whatever decimal points), so yous volition create got a unwrap from 0 to 1 less than the length of your array (which volition hence last a valid index into your array). Use that resultant to pick an chemical constituent from your array. Source: http://stackoverflow.com/questions/5708784/how-do-i-choose-a-random-value-from-an-array-with-javascript Sumber http://developer-...

document.location contains data virtually the URL, in addition to document.location.search contains the inquiry string. if(document.location.search.length) { // inquiry string exists } else { // no inquiry string exists } You fifty-fifty don't withdraw jQuery. You tin create that using uncomplicated jQuery. Sumber http://developer-paradize.blogspot.com

Add the next html code within torso tag: <div id="loading">   <img id="loading-image" src="images/ajax-loader.gif" alt="Add the next html code within torso tag Show ajax loader icon until rendering is finished using Jquery" /> </div> Then add together the means flat for the div as well as icon to your css: #loading {   width: 100%;   height: 100%;   top: 0px;   left: 0px;   position: fixed;   display: block;   opacity: 0.7;   background-color: #fff;   z-index: 99;   text-align: center; } #loading-image {   position: absolute;   top: 50%;   left: 50%;   z-index: 100; } And in conclusion add together this jquery to your page within whatsoever function $(document).ready(function() { //hide on get-go  $('#loading').hide(); //call share do_something();  function do_something()  {   $("#loading").show();   var asking = $.ajax({   url: "your_url",   type:...

You withdraw to utilization attributes holding that contains them all: $(this).each(function() { $.each(this.attributes, function() { // this.attributes is non a manifestly object, exactly an array // of attribute nodes, which comprise both the advert as well as value if(this.specified) { console.log(this.name, this.value); } }); }); If you lot desire to select handgrip of alone the attributes that has prefix similar data-* from icon tags. Use data() property. data-* attributes are supported through .data() as well as volition provide all of the data- attribute within an object every mo key-value pairs. $('img').each(function() { var information = $(this).data(); $.each(data, function(key, value) { console.log(key, value); }); }); ref: http://stackoverflow.com/a/14645827 http://stackoverflow.com/a/4190650 Sumber http://developer-paradize.blogspot.com

You tin occupation the .slice() method, its cross browser compatible. var id = "example1"; id.slice(-1); //Outputs: one Getting the concluding grapheme is easy, every moment y'all tin process strings every moment an array: var id = "example2"; var lastChar = id[id.length-1]; //Outputs: two To boot the bucket a department of a string, y'all tin occupation the substr function var id = "example3"; id.substr(id.length-1); //Outputs: three Sumber http://developer-paradize.blogspot.com