📄 9-17.htm

📁 javascript 的原代码,是一本书的代码

💻 HTM

字号:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
</head>

<body>
 <script language="javascript">
    var n = new Number(Math.PI);
	var n10 = 10000*n;
	var int5 = 5;
	document.write("<pre>");
	    document.writeln(n);
	    document.writeln(n.toFixed(2));
		document.writeln(n.toFixed(6));
		document.writeln(n10);
		document.writeln(n10.toExponential());
		document.writeln(n10.toExponential(4));
		document.writeln(n10.toLocaleString());
		document.writeln(n10.toPrecision(2));
		document.writeln(n10.toPrecision(5));
		document.writeln(n10.toPrecision(8));
		document.writeln(int5.toPrecision(5));
	document.write("</pre>");
 </script>
</body>
</html>

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