<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
</body>
<script type="text/javascript">
var a=1;
var b=0;
for (i=1;i<=8;i++) {
a=a+b;
b=a+b;
document.write(a+" "+b+" ")
}
document.write("<br />")
</script>
</html>
结果：
1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987
