22 October 2010

jQuery selector concept

In HTML DOM terms:

Selectors allow you to manipulate DOM elements as a group or as a single node.

jQuery Element Selectors

jQuery uses CSS selectors to select HTML elements.


$("p") selects all elements.
$("p.intro") selects all elements with class="intro".
$("p#demo") selects the first element with id="demo".


jQuery Attribute Selectors

jQuery uses XPath expressions to select elements with given attributes.


$("[href]") select all elements with an href attribute.


$("[href='#']") select all elements with an href value equal to "#".


$("[href!='#']") select all elements with an href attribute NOT equal to "#".


$("[href$='.jpg']") select all elements with an href attribute that ends with ".jpg".

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