学学如何写js

pangxin12345 · 发表于 2013-2-7 16:03:17

//第一种
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
    <script type="text/javascript">
       var mConstructor ={
           aa:"valuec"
       }

        mConstructor.propertyA = "valueA";
       mConstructor.propertyB = "valueB";

        mConstructor.methodA = function(){
           alert("methodA");
       }

       mConstructor.methodB = function(){
           alert("methodB");
      }



   </script>
   <script >
   function aa()
{
  alert("asdf");
   mConstructor.methodA();
  alert(mConstructor.aa);
}
   </script>
</head >
<body >
</body>
</html>

//第二种
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script type="text/javascript">
     function myConstructor(){

     }

     myConstructor.prototype = {
        propertyA : 'value',
        propertyB : 'value',
  methodA : function(){ alert("Ok...")},
        methodB : function(){}
     }

     var mc = new myConstructor();
     mc.methodA();

     alert(mc.propertyA);

</script>
</head>
<body>
</body>
</html>

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