找问题
2017-05-30 本文已影响8人
Marks
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>pratise</title>
<script type="text/javascript">
var sum = 0,
parameter;
function add(arguments){
for(var i=0;i<arguments.length;i++){
parameter = arguments[i];
sum += parameter;
}
return sum;
}
console.log(add(2,3)); //0
console.log(add(2,3,4));//0
console.log(add(2,3,4,5));//0
</script>
</head>
<body>
</body>
</html>```
