【JS】函数的初应用
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>d24c04429</title>
<meta name="viewport"
content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
</head>
<body>
<script>
var a=prompt("输入第一个加数: ");
var b=prompt("输入第二个加数: ");
function getSum(a, b) {
var sum = parseInt(a) + parseInt(b);
return sum;
}
alert("结果是: " + getSum(a, b));
</script>
</body>
</html>
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