Mats Lycken development

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jQuery part 2 - Event handling

jQuery makes event handling in javascript very easy and extremely handy to perform all kinds of different things in the UI.

The great thing about the event handling is that you can bind to events to almost anything, this makes things like creating hover effects over tables and creating clickable divs a breeze. And since you use the jQuery css style selectors to specify which elements you want to bind the event to, you can bind the event to many elements with one line of code!

I’ll start out by showing you how to bind the click event.

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Harness the power of javascript with jQuery

What is jQuery, and why should I use it

Quite many .NET developers avoid using client side scripting and often use post backs to do simple updates that could just as well be done on the client. Using a post back where client scripting would have worked just as well is a real bad thing. It makes the web app experience much slower for the end user since the post back needs to send data to the server, it also bogs down the server with unnecessary requests.

Historically javascript has been quite painful to use due to browser differences that forced us developers to use ugly browser sniffing and create duplicate code targeting different vendors.

But things are different today!

jQuery is a small javascript library that makes creating cross browser javascript a breeze. It is an open source frame work that due to it’s simpleness and extensibility has drawn a great following.

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