??? as much as available

pron.all;everything;everyone,everything;?? ??

adv.entirely;???;every;very

n.all;[?? A-]whole ;[?? my, your , ? ??, ?? ?] (????) ??? ?? ?? ?

jquery prevAll() ??? ???

??: prevAll()? ?? ???? ?? ???? ? ??? ?? ?? ??? ?????. ???? ????? ?? ?? ?????.

??: ??.prevAll(selector)

Parameters:

ParametersDescription
selector ???? ? ???? ??? ???? ??? ??? ? ??.

??: DOM ?? ??? ???? jQuery ??? ?? ?? .prevAll() ???? ???? DOM ???? ??? ?? ?? ?? ?? ??? ???? ???? ??? ? jQuery ??? ??? ? ????. ? ???? $() ??? ??? ??? ??? ??? ??? ??? ???? ?????. ? ???? ???? ??? ???? ????? ????? ??? ??????.

jquery prevAll() ??? ?

<!DOCTYPE html>
<html>
<head>
  <style>
  div { width:70px; height:70px; background:#abc; 
        border:2px solid black; margin:10px; float:left; }
  div.before { border-color: red; }
  </style>
  <script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js"></script>
</head>

<body>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
<script>$("div:last").prevAll().addClass("before");</script>

</body>
</html>
???? ?? ?

??? ????? ??? "???? ??" ??? ?????