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Example analysis of javascript function characteristics_javascript skills

WBOY
WBOYOriginal
2016-05-16 15:58:591295browse

This article analyzes the characteristics of javascript functions with examples. Share it with everyone for your reference. The specific analysis is as follows: 

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>javascript函数特点(重要)</title>
<script type="text/javascript">
  function show() { //注意这个函数声明时没有定义任何传入参数
    //打印出所有传入的参数
    for (var x = 0; x < arguments.length; x++) {
      alert(arguments[x]);
    }
  }
  show(6, 7, 8, 9);
  //注意这里传入了4个参数，而show函数时没有定义传入参数的。
  var x = show; //注意这里show没有加括号
  alert(x); //注意看输出结果
</script>
</head>
<body>
</body>
</html>

I hope this article will be helpful to everyone’s JavaScript programming design.

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