Add momentum to anything. It's like iScroll, except not for scrolling. Supports mouse and touch events. Less than 1.5KB gzipped.

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Impulsion is meant to be used as a part of other components — these simple demos just demonstrate the momentum.


new impulsion({
    source: myNode,
    onUpdate: function(x, y, previousX, previousY) {
        // whatever you want to do with the values

For more usage details, see the API on GitHub.