Using CSS3 and Javascript to create engaging transition animations

I'm facing an issue with a DIV class that I've set up like this:

div.map_view{
height: 420px;
transition: height 2s;
-moz-transition: height 2s; /* Firefox 4 */
-webkit-transition: height 2s; /* Safari and Chrome */
-o-transition: height 2s; /* Opera */
}

The objective here is to have the DIV animate a scroll when the height is changed (in this case, going up). However, when I try to change the height in my script using: 

document.getElementById('map_view').style.height = '0px';
, it simply disappears without any animation. Strangely enough, if I comment out this line and run the exact same code in my JS debugger, the animation works perfectly.

What could be causing this behavior? Am I missing something that is preventing it from working as intended in my script?

javascriptcsscss-animations

Answer №1

Although I took some shortcuts by using jQuery, here is the code I came up with:

http://jsfiddle.net/qZ6J4/7/

Please review the code and let me know your thoughts.

Answer №2

A great tutorial that really helped me out can be found here: CSS3 Transitions in JavaScript. I followed the instructions to set up two CSS3 class definitions and utilized jQuery's .toggleClass() function to seamlessly switch between them.

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