📄 5-5.html.html

📁 javascript 的原代码,是一本书的代码

💻 HTML

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 number1 = prompt("input a number:","");
		   var number2 = prompt("input a number again:","");
		   number1 = Number(number1);
		   number2 = Number(number2);
		   alert("number1+number2= "+(number1+number2));
		   number2 =String(number2);
		   alert("number1+number2= "+(number1+number2));
	  </script>

</body>
</html>

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