JavaScript and AJAX Web Development Tutorials

JavaScript, jQuery and AJAX (Asynchronous JavaScript and XML) Tutorials.
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AJAX was a boon to web development and web applications like GMail etc. millions of site have since implemented AJAX based features on their websites, the idea of asynchronously accessing content was wonderful but AJAX was limited only to the same domain (same origin) as the page requesting the...
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Have you ever wondered when you see form on some website submitted in a fraction of a second? Have you ever wanted such forms on your site? This is it. Let us take a sample form. <form method="post" action="SubmitToSomeFile" id="frm" accept-charset=UTF-8 name="frm"> <table...
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Sometimes we need the user to enter only numbers in a text field, so I have some up with a small piece of JavaScript to do exactly that. It works for both IE and Firefox. function onlyNumbers(evt) { var e = event || evt; // for trans-browser compatibility var charCode = e.which ||...
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JavaScript is widely used for client side scripting ranging from simple effects to creating a rich UI like GMail. A significant operation with the client browser involves working with the browser window, like scrolling, resizing popup window, detecting window resize by the user, opening new...
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JavaScript, the most popular & most used client-side scripting language on the internet is really powerful in creating rich user experience by itself. One of the best example of JavaScript excellence is the jQuery library which has helped developers all over the world to build the business...
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It is highly recommended that you are familiar with HTML and Javascript before reading tutorial. Notice that this article is only glimpse on this topic, it barely covers all the AJAX features and stuff. This tutorial will show you how 'Ajax' works and how to use it from a web developer's...
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The Javascript Code : function autoCompleteDB() { this.aNames=new Array(); } autoCompleteDB.prototype.assignArray=function(aList) { this.aNames=aList;
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Feedburner statistics are not part of Google Analytics and I couldn't understand why but you can track Feedburner Email Subscription Form Submission in Google Analytics Very easily. Activate Email Subscription for your Feed in Feedburner and grab the HTML code of your subscription form. The HTML...
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I found that is difficult to search a simple javascript code about scrolling image slide. You can find them on Internet but they often are long and complex or hidden from us to prevent edit. I just found a simple way to resolve this. I hope it will help your editting easier to make it yours! We...
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Sometimes, we need to rotate images on ours web pages, it may be ads or some simple images.Below you'll find the code for implementing the same. You can create as many image rotations you want, you just need to specify the urls of the images in an Array, and the object where the image will be...
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jQuery is a client-side JavaScript library, the goal of the library is to simply the process of writing cross-browser JavaScript code. jQuery was created by John Resig and it was released to the public in 2006, jQuery is free, open-source and is dual-licensed under the MIT license & GNU GPL Version...
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All web developers require to implement some JavaScript in their web applications. JavaScript arrays support a few in-built array manipulation methods like push,pop, but we might require more like unshift, shift, sort, shuffle, contains, clear and others. In JavaScript array being an...
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We sometimes require to get the query parameters of an URL in JavaScript, here's how we can do that. // get the current URL var url = window.location.toString(); //get the parameters url.match(/\?(.+)$/); var params = RegExp.$1; // split up the query string and store in an //...
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Sometimes we need a sorted UL (un-ordered list) in a static page, like a blog, we can use JavaScript to the sort the list. I faced a similar problem with my blog, so I implement a simple bubble sort on the list, the list will be sorted if the browser supports JavaScript, else it will still...
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Well all would have at some point of time needed to make a timer in JavaScript. I have made a timer in Javascript. The script shows the timer in the status bar,you can modify it to display the timer anywhere you want. Check out the code below: var mins,secs,TimerRunning,TimerID; ...
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Arrays are one way of keeping a program more organized. They allow you to do some things that are difficult without them. Arrays are usually a group of the same variable type that use an index number to distinguish them from each other. Suppose you wanted to write out 5 names, and use variables for...
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Non-JavaScript Programmers find it difficult to have fancy drop down menu's but not any more. Today I will show you how easy it is to create a simple yet very SEO Friendly Drop Down Menu Using JQuery. The idea of this article came from the thread started by siddharthrkulkarni on Drop Down Menu....
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On many forums like DigitalPoint you would see lots of people claiming to be making thousands of $$$ with an ebook that costs $1 and have lots of screenshots to show you as well. Never trust those. This can be done in Firefox and IE7 with just one line of code. Yes its true. One line exactly. ...
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While designing web pages we several time needs scripts that check our data and validate it. Checking Email address file is one of the most commonly used scripts which we need for all registration purpose. While checking email, we need to focus on following points. An email address...
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Today, we'll see how to implement a bouncing ball in javascript. The ball will bounce all around the page and we will also introduce a gravity factor to make the ball slowly come to rest. The technique is what is important here. It can then be used in any kind of moving-object animation. What...
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