js中arguments的用法(实例讲解)

  如下所示:

  

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>