<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>num-test</title>
<script type="text/javascript">
var num1=Number("h");
var num2=Number("");
var num3=Number("070");
var num4=Number("1234blue");
var num5=Number("1.1");
var num6=Number("001.1");
var num6=Number("0xA");
num1=parseInt("h");
num2=parseInt("");
num3=parseInt("22.5");
num4=parseInt("0xA");
num5=parseInt("070");
num6=parseInt("070",9);
num7=parseInt("0xA",2);
num8=parseInt("1234blue");
alert(num7);
</script>
</head>
num.toString(n);将num转换为n进制的字符串
进行* / %等运算时,若有一个操作数不是数值,将调用Number方法转换
<body>
</body>
</html>