微博输入框一无图版 完整
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>微博输入框一无图版 完整</title>
<style type="text/css">
.weibo{width: 600px;height: 150px;border: 10px solid pink; margin: 0px auto; padding: 10px;}
.tu1{float: left;width: 180px;height: 24px; color: blue; padding-left: 15px;}
.weibo1{float: left;width: 120px; height: 24px;margin-left: 250px; text-align: right; font-size: 14px;color: #888;}
.weibo1 span{font-size: 16px;font-weight: bold;}
#text{width: 595px;height: 100px; border: 1px solid #888;}
#sp1,#sp2,#sp3,#sp4,#sp5,#sp6{float: left;width: 30px;height: 32px;line-height: 32px;padding-left: 26px; font-size: 14px;}
#sp5{width: 50px;}
#sp6{margin-left: 150px;}
#bt{float: right;width: 80px;height: 25px;border: none;background: #ffc09f;color: #fff;border-radius: 5px;}
</style>
<script type="text/javascript">
var text,number,zishu;
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字
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("字数太多了，不能发布");
text.focus();
}else{
alert("发布成功");
}
}
aa();
}
</script>
</head>
<body>
<div>
<span>有什么新鲜事告诉大家？</span>
<div>还可以输入<span id="number"></span>字</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>