td textarea高度自適應

//td 可填
.content{
    word-wrap:break-word;
    word-break:normal;
    max-width: 240px;
}

<td class='content' contentEditable='true'></td>

textarea 高度自適應

$('textarea').each(function () {
    this.setAttribute('style', 'height:' + (this.scrollHeight) + 'px;overflow-y:hidden;');
}).on('input', function () {
    this.style.height = 'auto';
    this.style.height = (this.scrollHeight) + 'px';
});