You use Jquery than you need selectors. Because when you want do some action like hiding or showing element on page first of all you need find this element before do some action. And then you need thees selectors. So there you have page with all Jquery selectors. Now i show you what kind of selectors you can find there.

• All Selector (“*”)
• :animated Selector
• Attribute Contains Prefix Selector [name|=value]
• Attribute Contains Selector [name*=value]
• Attribute Contains Word Selector [name~=value]
• Attribute Ends With Selector [name$=value]
• Attribute Equals Selector [name=value]
• Attribute Not Equal Selector [name!=value]
• Attribute Starts With Selector [name^=value]
• :button Selector
• :checkbox Selector
• and many more…
  

So click on picture or on any of selector links and visit this site if you want know about more selectors. Great thing on this website is that, there all of selectors have examples how it looks when you use it.

URL: http://api.jquery.com/category/selectors/