Overview The jQuery BlockUI Plugin lets you simulate synchronous behavior when using AJAX, without locking the browser[1]. When activated, it will prevent user activity with the page (or part of the page) until it is deactivated. BlockUI adds elements to the DOM to give it both the appearance and behavior of blocking user interaction. Usage is very simple; to block user activity for the page: $.bl
Creating Responsive Applications Using jQuery Deferred and Promises Julian Aubourg, Addy Osmani | March 24, 2011 Today we’re going to explore the concept of deferreds - an important feature found in JavaScript toolkits such as dojo and MochiKit, which recently also made its debut to popular JavaScript library jQuery. Deferreds offer a solution for abstracting non-blocking elements (such as the res
October 21, 2011 A brand new feature introduced in jQuery 1.7 is $.Callbacks, which we'll be taking a look at today. $.Callbacks are a multi-purpose callbacks list object and if you've had a chance to play around with jQuery's $.Deferred functionality (Julian Aubourg and I wrote about it previously), you may be surprised to know that this is one of the core building blocks that make that feature p
I remember googling for something of this nature a while ago but all I found were countless attempts using the cols and/or rows attribute of the textarea, thus making it pretty useless if you weren’t using a fixed-width font. Inspired by Jason Frame’s method, I’ve created an animating ‘autoResize’ jQuery plugin. Although it was inspired by his plugin it has a few slight differences, most notably t
In this tutorial we'll be looking at one of jQuery UI 1.8's newest components - the Autocomplete widget. Auto-completing text fields can be a popular choice with visitors to your site because they make entering information much easier. They can be used on product search fields for example, or when a visitor must enter a country, or a city, or anything else that may be a choice from a common datase
Thanks to everyone that attended the jQuery London and London Web Standards meetups this month. As requested, here are the slides from my talks including links to all of the jsPerf tests embedded for each section. Summary In case you missed the talk, the main takeaway from it was the importance of performance-testing your JavaScript and jQuery code (and appreciating performance gotchas you can kee
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