自适应高度textarea

​x
 
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>文档标题</title>
  <script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js">
  <style type="text/css">
    .clobValue2{
width:300px;
overflow-y:visible
} 
  </style>
  <script type="text/javascript">
  function setHeight(element) { $(element).css({'height':'auto','overflow-y':'hidden'}).height(element.scrollHeight); } $('textarea').each(function () { setHeight(this); }).on('input', function () { setHeight(this); });
​
  </script>
</head>
<body>
    <textarea id="clobValue2" style="border:0px;color: red;width:100%;"  rows="1" readonly="readonly" >价格信息:
油费由62250.0改为2000.0
路费由124500.0改为40.0
尿素费用由6225000.0改为200000.0
保险分摊由0.07改为4.55
损修保养费用由124500.0改为4000.0
人工成本由101.22改为6225.0
核算价(不含税)由6536351.59改为212269.85
对开新价由0.0改为212269.85
对开原价由""改为0.0
合同价（不含税）由6536351.59改为212269.85
合同价（含税）由6797805.65改为220760.64
生效起始时间由Mon Oct 31 00:00:00 CST 2016改为Tue Nov 01 01:00:00 CST 2016
生效结束时间由Wed Nov 30 23:59:59 CST 2016改为Wed Nov 30 23:00:00 CST 2016
​
</textarea>
  <input type="button" value="增加内容" onclick="addContent()"/>
</body>
</html>
HTML