js 判断 enter 事件

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本文是在Web中通过Javascript判断键盘按键事件,并改变按键的默认动作。

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<script language="javascript">

 

function enterkey()

 

{

 

    e = event.keyCode;

 

    if (e==13||e==32)

 

    {

 

        // do something.

          alert(e);

        event.returnValue= false; // 取消此事件的默认操作

 

    }

 

}

 

</script>

 

 

 

<body onkeydown="enterkey()">

 

</body>

 

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