老师帮忙看下代码
来源：4-3 编程练习
贾海洋
2020-07-03 15:39:35
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>三种定义方式</title>
</head>
<body>
<script type="text/javascript">
// 补充代码
var add = new Function("num1","num2","return num1+num2");
var sub=new Function("num1","num2","return num1-num2");
var mul=new Function("num1","num2","return num1*num2");
var divide=new Function("num1","num2","return num1*num2");
var num=mul(21,32)+divide(24,3);
var num2=sub(num,5);
alert(num2);
</script>
</body>
</html>
写回答
1回答
-
好帮手慕星星
2020-07-03
同学你好，代码中除法计算存在问题，应该/，不是* 。另外加法可以使用定义的方法，参考修改
自己再测试下，祝学习愉快！
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