求输出2到100的开方值的javascropt代码,不要调用开放函数,要自定义函数,急……
------解决方案--------------------
- HTML code
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>new document</title>
</head>
<body>
<script type="text/javascript">
function sqrt(n){
var x = 1;
for(var i = 0; i < 10; i++){
x = (x + n / x) / 2;
}
return x;
}
for(var i = 2; i <= 100; i++){
document.write(sqrt(i) + "<br/>");
}
</script>
</body>
</html>