js textarea自动增高并隐藏滚动条

程序员文章站 2023-12-12 19:34:28

复制代码代码如下:

<div class="content">
						<div class="codetitle">
<span><a style="cursor: pointer" data="30181" class="copybut" id="copybut30181" onclick="docopy('code30181')" target="_blank" rel="nofollow" href="/default/index/url?u=aHR0cHM6Ly93d3cuMTBxaWFud2FuLmNvbQ=="><u>复制代码</u></a></span> 代码如下:</div>
<div class="codebody" id="code30181">
<br><textarea id="tvalue" style="overflow-y:hidden; height:20px;" onpropertychange="this.style.height=this.scrollheight + 'px'" oninput="this.style.height=this.scrollheight + 'px'"></textarea><br>
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