div模拟textarea文本域轻松实现高度自适应

from [http://www.zhangxinxu.com]

.test_box {
width: 400px;
min-height: 120px;
max-height: 300px;
_height: 120px;
margin-left: auto;
margin-right: auto;
padding: 3px;
outline: 0;
border: 1px solid #a0b3d6;
font-size: 12px;
word-wrap: break-word;
overflow-x: hidden;
overflow-y: auto;
_overflow-y: visible;
}

Paste_Image.png