Random points: Difference between revisions
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<div id="box2" class="jxgbox" style="width:400px; height:400px;" onmouseover="board2.update()"></div> | <div id="box2" class="jxgbox" style="width:400px; height:400px;" onmouseover="board2.update()"></div> | ||
<script language="JavaScript"> | <script language="JavaScript"> | ||
/* | |||
board2 = JXG.JSXGraph.initBoard('box2', {originX: 10, originY:390 , unitX:380 , unitY: 380}); | board2 = JXG.JSXGraph.initBoard('box2', {originX: 10, originY:390 , unitX:380 , unitY: 380}); | ||
board2.suspendUpdate(); | board2.suspendUpdate(); | ||
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} | } | ||
board2.unsuspendUpdate(); | board2.unsuspendUpdate(); | ||
*/ | |||
</script> | </script> | ||
</html> | </html> | ||
Revision as of 14:31, 7 December 2008
Draw 50 random points
board = JXG.JSXGraph.initBoard('box', {originX: 10, originY:390 , unitX:380 , unitY: 380});
function reload() {
JXG.JSXGraph.freeBoard(board);
board = JXG.JSXGraph.initBoard('box', {originX: 10, originY: 390, unitX: 380, unitY: 380});
board.suspendUpdate();
for (var i=0;i<50;i++) {
var p = board.createElement('point',
[Math.random(),Math.random()],{style:5,name:' '});
}
board.unsuspendUpdate();
}
reload();
Draw 100 random points
These 100 points are updated on the onmouseover event and get new random coordinates.
