Random points
From JSXGraph Wiki
<html> <link rel="stylesheet" type="text/css" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css" /> <script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/prototype.js"></script> <script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraphcore.js"></script> <form><input type='button' value="Next iteration" onClick="run();"></form>
<script language="JavaScript">
board = JXG.JSXGraph.initBoard('box', {originX: 10, originY:390 , unitX:380 , unitY: 380});
var level = 0;
function run() {
JXG.JSXGraph.freeBoard(board);
board = JXG.JSXGraph.initBoard('box', {originX: 10, originY: 390, unitX: 380, unitY: 380});
for (var i=0;i<1000;i++) {
var p = board.createElement('point',
[Math.random(),Math.random()],{style:5});
board.unsuspendUpdate();
}