<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>arguments</title>
</head>
<body>
</body>
</html>
<script type="text/javascript">
function run(a,b,c){ //形参
console.log(arguments.length); //arguments 实参的集合
}
run(1,2,3) //实参
</script>
argument
最新推荐文章于 2024-09-16 14:00:10 发布