how do I call a javacript function every 60 seconds?
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by William
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Published on 2010-06-13T18:58:04Z
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2010/06/13
19:02 UTC
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So I'm trying to work on a Canvas demo, and I want this square to move from one side to the other, but I can't figure out how to call javascript in a way that repeats every 60 seconds.
Here's what I got so far:
<!DOCTYPE html>
<html lang="en">
<head>
<title>Canvas test</title>
<meta charset="utf-8" />
<link href="/bms/style.css" rel="stylesheet" />
<style>
body { text-align: center; background-color: #000000;}
canvas{ background-color: #ffffff;}
</style>
<script type="text/javascript">
var x = 50;
var y = 250;
function update(){
draw();
x = x + 5;
}
function draw(){
var canvas = document.getElementById('screen1');
if (canvas.getContext){
var ctx = canvas.getContext('2d');
ctx.fillStyle = 'rgb(236,138,68)';
ctx.fillRect(x,y,24,24);
}
}
</script>
</head>
<body onLoad="setTimeout(update(), 0);">
<canvas id="screen1" width="500" height="500"></canvas>
</body>
</html>
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