【CSS】让textarea在div里水平垂直都居中的三种办法

源码下载:https://files.cnblogs.com/files/heyang78/hvcenter_211214.rar

实现一:(在Editplus和chrome都通过)

先上图:

 

代码:

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>textarea在div内水平垂直都居中的实现一</title>
<script type="text/javascript" src="static/js/jquery-3.3.1.min.js"></script>
<style type="text/css">
    .outerDiv{
        width:400px;
        height:400px;
        margin:0 auto;
        border:1px solid red;
        position:relative;
    }
    .outerDiv textarea{
        width:200px;
        height:200px;
        position:absolute;
        left:100px;
        top:100px;
    }
</style>
</head>
<body>
    <div class="outerDiv">
        <textarea cols=20 rows=20>1234</textarea>
    </div>
</body>
<script type="text/javascript">
    
</script>
</html>

实现2:(在Editplus和chrome都通过)

 代码:

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>textarea在div内水平垂直都居中的实现二</title>
<script type="text/javascript" src="static/js/jquery-3.3.1.min.js"></script>
<style type="text/css">
    .outerDiv{
        width:400px;
        height:400px;
        margin:0 auto;
        border:1px solid red;
        position:relative;
    }
    .outerDiv textarea{
        width:200px;
        height:200px;
        position:absolute;
        left:50%;
        top:50%;
        transform:translate(-50%,-50%);
    }
</style>
</head>
<body>
    <div class="outerDiv">
        <textarea cols=20 rows=20>1234</textarea>
    </div>
</body>
<script type="text/javascript">
    
</script>
</html>

实现代码3:(仅在Chrome好用)

 

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>textarea在div内水平垂直都居中的实现三</title>
<script type="text/javascript" src="static/js/jquery-3.3.1.min.js"></script>
<style type="text/css">
    .outerDiv{
        width:400px;
        height:400px;
        margin:0 auto;
        border:1px solid red;
        display:flex;
        justify-content:center;
        align-items:center;
    }
    .outerDiv textarea{
        width:200px;
        height:200px;
    }
</style>
</head>
<body>
    <div class="outerDiv">
        <textarea cols=20 rows=20>1234</textarea>
    </div>
</body>
<script type="text/javascript">
    
</script>
</html>

参考资料:

https://blog.csdn.net/weixin_36095188/article/details/113047506

END

原文地址:https://www.cnblogs.com/heyang78/p/15689557.html