Circumvent random number in ID

I got this line in my script, which check the items class:

$('#post').attr('class');

Is there a chance, to read it like:

$('#post*').attr('class');

So if the ID will be fe. post405 it will still read this? I've checked it and it won't work with * , so so there any other way t开发者_开发知识库o read items this way?

$('[id^=post]').attr('class');

You're looking for the [attribute^=*] selector.

It sounds like you're doing a class based search on the id. This is really not the recommended way to do this. The more "proper" way would be to add a "post" class to your elements and look for

$('.post')

of course, if you're looking for the class attribute, there's a lot you can do with that too... using the attr() function for that is probably not what you want.

jQuery already provides a "starts with" selector for this purpose.

http://api.jquery.com/attribute-starts-with-selector/

$('[id^="post"]').attr('class');