5-5.html.html
来自「javascript 的原代码,是一本书的代码」· HTML 代码 · 共 22 行
HTML
22 行
<!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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