JavaScript and AJAX Web Development Tutorials

JavaScript, jQuery and AJAX (Asynchronous JavaScript and XML) Tutorials.
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Many times we need to write certain parts of our script according to the browser, i.e. we need to detect the browser. Here's a snippet of how to do it. var userAgent = navigator.userAgent.toLowerCase(); var is_opera = (userAgent.indexOf('opera') != -1); var is_saf =...
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Sometimes, we do not want people to copy the text on some of our web pages, here is a script which prevents user (not advanced users) from selecting the text. For better results put the JavaScript code inline and not in a separate JS file. // specify allowed tags for some browsers var...
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So i was working on an awesome project when i wanted to extract GET parameters from the URL string. Like in php $_GET, i need to use javascript since the front end is building on an REST API . You probably should ave seen this feature used in google search and may others, but the problem is...
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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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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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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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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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There are multiple ways to attach an event handler in jQuery but all of them does not function exactly the same way. If there are elements created after DOM is loaded, then not all the events associated with them would be triggered if you have not attached the event handlers correctly. Example ...
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Desktop notifications for web applications is a great plus, the user can be notified irrespective of the current window/tab they are using. Chrome, which has the largest share of the browser market, supports desktop notification, also Safari, or any webkit based browser. You can easily...
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