输入框自动增加高度$([itemtext_pinglun]).keyup(function(){ var id $(this).attr(id)var obj
输入框自动增加高度
$('[item="text_pinglun"]').keyup(function(){ var id = $(this).attr("id");var obj = document.getElementById(id);var sh = obj.scrollHeight; $(this).a("height",sh+"px"); })
