using snap.svg
HTML
<script src="//cdn.jsdelivr.net/snap.svg/0.1.0/snap.svg-min.js"></script>
<html>
<style>
#test:hover
{
fill: yellow;
}
</style>
<body>
<div class="viewBox">
<h1>SVG Testing</h1>
<svg id="mysvg" height="900" width="400" version="1.1" xmlns="http://www.w3.org/2000/svg" style="background-color: gray;">
<path d="M0 86.60254037844386L50 0L150 0L200 86.60254037844386L150 173.20508075688772L50 173.20508075688772Z" fill="green" id="test"></path>
</svg>
</div>
</body>
</html>
JavaScript
Snap("#test").animate({ transform: 't0,260s2,-2'},1500, mina.bounce)