JQuery

Selector Syntax

Basic CSS selectors

• $("a") - matches all link (<a>) elements
• $("#specialID") - matches elements that have an id of specilID
• $(".specialClass") - matches elements that have the class of specialClass
• $("a#specialID.specialClass") - matches links with an id of specialID and a class of special Class.
• $("p a.specialClass") - matches links with an id of specialID and a class of specialClass

Child, Container, and attribute selectors

• $("p a") - return link elements that are descendents of

  tag

• read the selectors backwards
• $("p > a") - return link elements who have a

  for a parent element

• $("ul.myList > li > a") - return link elements who are children of a
• element, which are in turn children of a
  element of class "myList"
  • $("p+a") - matches link elements immediately preceded by sibling

    tag

  • $("p~a") - matches link elements preceded by any sibling

    tag

  • $("a[href^=http://]") - return any link elements, the beginning of whose href attribute matches "http://"
  • $("form[method]") - return any form element that simply has an explicit method attribute
  • $("input[type=text]") - return any input element with a type attribute of text
  • $("div[title^=my]") - return any div element whose title attribute starts with "my"
  • $("a[href$=.pdf]")
  • $("a[href*=jquery.com]")
  • $("li:has(a)") - return any
  • element that has a link element in it
  • only one level of nesting supported this way
  • $("foo:not(bar:has(baz))") - this is ok