JavaScript函数参数实例

实例代码:

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JavaScript函数参数实例</title>
</head>
<body>

</body>
<script type="text/javascript">
	function aa(exp1,exp2,exp3,exp4) {
		var num = aa.arguments.length;
		console.log("arguments num:" + num);
		if(num > 0) {
			for(var i=0;i<num;i++) {
				console.log(aa.arguments[i]);
			}
		}
	}
	aa();
	aa(100,101);
</script>
</html>

运行结果:

JavaScript函数参数实例

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