js中arguments的用法(实例讲解)
时间：2021-02-16 10:41:05|栏目：JavaScript代码|点击： 次
如下所示：
<!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>arguments的使用</title>
</head>
<body>
<script type="text/javascript">
function display() {
document.writeln('该公司共有' + arguments.length + '人');
var sum = 0;
for (var i = 0; i < arguments.length; i++) {
sum += arguments[i];
}
return sum;
}
sum = display(1000, 2000, 3000, 4000, 5000);
document.writeln('sum1:' + sum + '<br/>');
sum = display(100, 200, 300);
document.writeln('sum2:' + sum);
</script>
</body>
</html>
复制代码 代码如下:
<!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>arguments的使用</title>
</head>
<body>
<script type="text/javascript">
function display() {
document.writeln('该公司共有' + arguments.length + '人');
var sum = 0;
for (var i = 0; i < arguments.length; i++) {
sum += arguments[i];
}
return sum;
}
sum = display(1000, 2000, 3000, 4000, 5000);
document.writeln('sum1:' + sum + '<br/>');
sum = display(100, 200, 300);
document.writeln('sum2:' + sum);
</script>
</body>
</html>
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