JavaScript Tutorial/jQuery/prevAll
Версия от 21:52, 25 мая 2010; (обсуждение)
Locate all the divs before the last and give them a class.
<source lang="javascript">
<html>
<head> <script type="text/javascript" src="js/jquery-1.3.2.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("div:last").prevAll().css("color","red"); }); </script> <style> .selected { color:blue; } </style> </head> <body> <body>
asdf
asdf
asdf
asdf
</body>
</html></source>
prevAll(expr): filter the matched set.
<source lang="javascript">
<html>
<head> <script type="text/javascript" src="js/jquery-1.3.2.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("div:last").prevAll().css("color","red"); }); </script> <style> .selected { color:blue; } </style> </head> <body> <body>
asdf
asdf
asdf
asdf
</body>
</html></source>
Prevall tags
<source lang="javascript">
<html>
<head> <script type="text/javascript" src="js/jquery-1.3.2.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("div").prevAll().css("background", "yellow");
}); </script> </head> <body> <body>
asdf
asdf
asdf
asdf
asdf
</body>
</html></source>