js函数累加

2021-10-17 00:32:42

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>

</head>

<script type="text/javascript">
function getsum(num1,num2){//定义两个形参
var num=0;
for (var i=num1;i<=num2;i++) {
num+=i;//每次累加
}
console.log(num)//输出结果
}
getsum(1,100)//传实参
</script>
<body>

</body>
</html>