JAVASCRIPT高手来帮忙

来源：百度知道 编辑：UC知道 时间：2024/06/18 15:45:38
<html>
<head>
<script type="text/javascript">

var a = prompt("请输入第一个整数", "0");
if (a != parseInt(a)) {
alert("请输入整数!");

}

var b = prompt("请输入第二个整数", "0");
if (b != parseInt(b)) {
alert("请输入整数!");
}

a = parseInt(a)
b = parseInt(b)
document.write("a = " + a + "<br />");
document.write("b = " + b + "<br />");
document.write("a + b = " + (a + b) + "<br />");
document.write("a - b = " + (a - b) + "<br />");
document.write("a * b = " + (a * b) + "<br />");
document.write("a / b = " + (a

<html>
<head>
<script language="JavaScript">
var a,b;

a = prompt("请输入第一个整数", "0");
while (a != parseInt(a)){
alert("请输入整数!");
a = prompt("请输入第一个整数", "0");
}

b = prompt("请输入第二个整数", "0");
while (b != parseInt(b)) {
alert("请输入整数!");
b = prompt("请输入第二个整数", "0");
}

document.write("a = " + a + "<br />");
document.write("b = " + b + "<br />");
document.write("a + b = " + (a + b) + "<br />");
document.write("a - b = " + (a - b) + "<br />");
document.write("a * b = " + (a * b) + "<br />");
document.write("a / b = " + (a / b) + "<br />");
</script>
</head>