关于attchEvent~~~~~~~~~~~

试试看
<!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>
    <title> new document </title>
    <meta name="generator" content="editplus" />
    <meta name="author" content="Gao YiXiang" />
    <meta name="email" content="[email protected]" />
    <meta name="keywords" content="javascript dhtml dom" />
    <meta name="description" content="I love web development." />
</head>
<body>
<script type="text/javascript">
<!--
function reg()
{
    var objs = document.getElementsByTagName("input");    for(var i=0; i<objs.length; i++)
    {
        objs[i].attachEvent("onfocus",function(){event.srcElement.style.backgroundColor="#00ff00";});
    }
    
}
//-->
</script><input type="button" size="15" value="提交表单">
<input type="button" size="15" value="重 置">
<input type="button" size="15" value="Submit">
<input type="button" size="15" value="Reset"><script type="text/javascript">
<!--
window.onload=reg;
//-->
</script>
</body>
</html>

解决方案 »

  1.   

    [html]
    <!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>
        <title> new document </title>
        <meta name="generator" content="editplus" />
        <meta name="author" content="Gao YiXiang" />
        <meta name="email" content="[email protected]" />
        <meta name="keywords" content="javascript dhtml dom" />
        <meta name="description" content="I love web development." />
    </head>
    <body>
    <script type="text/javascript">
    <!--
    function reg()
    {
        var objs = document.getElementsByTagName("input");    for(var i=0; i<objs.length; i++)
        {
            objs[i].onfocus=function(e){
    var objTarget;
    if(document.all){
    event.srcElement.style.backgroundColor="#00ff00";
    }else{
    e.target.style.backgroundColor="#00ff00";
    }
    };
        }
        
    }
    //-->
    </script>
    <div id="test"></div>
    <input type="button" size="15" value="提交表单">
    <input type="button" size="15" value="重 置">
    <input type="button" size="15" value="Submit">
    <input type="button" size="15" value="Reset"><script type="text/javascript">
    <!--
    window.onload=reg;
    //-->
    </script>
    </body>
    </html>
    [/html]