Parallax scrolling in jQuery


Wynn Netherland wrote a plugin for jQuery that makes it easy to add a slick Parallax effect to a web site. For anyone who missed video games of the 80s, this is the old sidescroller technique that simulates depth by making things in the foreground move faster than the background. The jQuery Parallax plugin does this by easing the background position across several div layers, all at different rates.

To make it work, you just make a horizontally tile-able background image, and a horizontally tile-able alpha-transparent PNG for each foreground layer. These are each set as the background image of a separate div with the repeat-x attribute. The divs are absolutely positioned right on top of each other, and then a single line of jQuery code is used to set the animation speed for each layer.

It’s a subtle and bandwidth friendly way to add a bit of visual polish to your site. Netherland is using this effect for his blog’s masthead, and it looks pretty cool.

jQuery Parallax Scrolling (download)
jQuery Easing library – you’ll need this too

0 thoughts on “Parallax scrolling in jQuery

  1. John says:

    Really interesting video, but there was some weird sound mixing going on there. Really annoying was the music being played over Ladyada talking about the SIM card software, it was practically impossible to actually hear her.

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