<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="智能社 - zhinengshe.com">
<meta name="copyright" content="智能社 - zhinengshe.com">
<title>智能社 - www.zhinengshe.com</title>
<style>
* { margin:0; padding:0; }
.box {position:relative; width:200px; margin:50px auto;}
.box span { position:absolute; top:0; left:5px; height:40px; line-height:40px; color:#999; }
#inp1,#pass{ position:absolute; top:0; left:0; border:1px solid #000; /* border:none 0;这个是兼容的写法 */
outline:none;width:190px; height:40px; line-height:40px; padding:0 5px; background:none;}
#pass{top:55px;}
input::-ms-clear { display:none; } /* 去掉IE10输入框后的叉号 */
input::-ms-reveal{ display:none;}    /* 去掉输入密码时的眼睛 */
</style>
<script>
window.onload=function (){
    var oInp=document.getElementById('inp1');
    var oSpan=document.getElementById('span1');
    
    oInp.onfocus=function (){
        oSpan.style.display='none';
    };
    oInp.onblur=function (){//失去焦点判断输入为空时
        
        if (oInp.value.length == 0)
        {
            oSpan.style.display='block';
        }    
    };
    oSpan.onclick=function (){//点击提示文字时情况
        oInp.focus();
    };
};
</script>
</head>

<body>
    <div class="box">
        <input type="text" id="inp1" />
        <span id="span1">我是提示文字</span>
        <input type="password" id="pass"/> 
    </div>
   
</body>
</html>

 

posted on 2014-12-29 16:27  高尔础础  阅读(674)  评论(0编辑  收藏  举报