CODEWITHSUNDEEP
javascriptjquerymootoolstween
Luke
Luke

Reputation: 3046

best property to manipulate when tweening dom objects with a js library

i'm searching for the best and performant way to animate some elements (with jquery or mootools). for example, if i have to move an element, it's better to:

Upvotes: 1

Views: 179

Answers (1)

katspaugh
katspaugh

Reputation: 17909

Absolute position + margin manipulation can do a nice trick if you do not specify left/top values.

What trick?

The element with absolute position but no left/top will be rendered in the same position in which a static element would occur, while margin-left/margin-top will add to that position.

http://jsfiddle.net/e6PaE/1/

Overall, I appreciate you don't mention static position as an option — animating such element would cause unnecessary layout reflow, which is the main drawback of DOM/timeout animations.

Among the options you do consider, I think the most performant is the background option. But it has limited application, since you can move only graphic content. So I'd go for option #1.

Upvotes: 2

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