animate opacity

by migerh

HTML

<link rel="stylesheet" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css">
<script src="http://jsxgraph.uni-bayreuth.de/~michael/jsxgui/JSXGraph/src/loadjsxgraph.js"></script>
<div id='box' class='jxgbox'></div>

CSS

#box {
    width:500px;
    height:500px;
}

JavaScript

var brd = JXG.JSXGraph.initBoard('box', {axis:false, boundingbox: [-10, 10, 10, -10], axis: false});

var p = brd.create('point', [0, 0]);

p.animate({strokeOpacity: 0.2, fillOpacity: 0.2}, 1000);