手记 / 微博输入-2作业

微博输入-2作业

3天前8浏览0评论

<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<title>微博输入</title>

<style type="text/css">

body{font-size:12px;}

.box{width:600px;height:160px;border:10px solid pink; margin:0px auto; padding: 10px;}

img{float:left;}

.box1{float:left;margin-left: 255px;width:150px;height:24px;text-align: right;font-size:14px;color:#888;}

.box1 span{font-size: 16px;font-weight:bold;}

#text{width:600px;height: 100px;border:1px solid #ccc;margin-top:5px;}

.box #sp1,#sp2,#sp3,#sp4,#sp5,#sp6{float:left;width:30px;height:32px;line-height:32px;padding-left:26px;}

#sp1{background:url(images/an5.png)no-repeat left center;}

#sp2{background:url(images/an4.png)no-repeat left center;}

#sp3{background:url(images/an3.png)no-repeat left center;}

#sp4{background:url(images/an2.png)no-repeat left center;}

#sp5{background:url(images/an1.png)no-repeat left center;width:40px;}

#sp6{margin-left: 150px;margin-right:15px;color:#888;}

#bt{float:left;width:80px;height:30px;border:none;background:#ffc09f;color:#fff;border-radius: 5px;}

</style>

<script type="text/javascript">

var text,number,m

window.onload=function(){

text=document.getElementById("text")

number=document.getElementById("number")

bt=document.getElementById('bt')

text.onkeyup=function aa(){

m=140-text.value.length//微博限制字数140

if(m<0){

number.style.color="red"

}else{

number.style.color="888"

}

number.innerHTML=m

}

bt.onclick=function(){

if(m==140){

alert("你还没有输入")

text.focus()

}else if(m<0){

alert("字数太多,不可以发布")

text.focus()

}else{

alert("发布成功")

}

}


}


</script>

</head>

<body>

<div class="box">

<img src="images/12.png">

<div class="box1">还可以输入<span id='number'>字</span></div>

<textarea id="text"></textarea>

<span id="sp1">表情</span>

<span id="sp2">图片</span>

<span id="sp3">视频</span>

<span id="sp4">话题</span>

<span id="sp5">长微博</span>

<span id="sp6">公开</span>

<input type="button" value="发布" id="bt">

</div>



</body>

</html>


相关标签:HTMLCSSJavaScript
    0推荐

      阿贵

      PHP开发工程师

      作者的热门手记

      PHP中文网

      未登录