Jquery api cheat sheet sharing_jquery

Selector	Match
*	All elements
#id	Element with given ID
element	All elements of a given type, say html tags
.class	All elements with a given class
a,b	Elements that match a or match b
a b	Elements matching b that are descendants of a (including grandchildren)
a > b	Elements that match b as a child element of a (only including children)
:first	The first element in the result set
:last	The last element in the result set
:not(a)	All elements in the result set that do not match a
:even	Even elements in the result set (counting from 0)
:odd	Odd elements in the result set (counting from 0)
:eq(index)	The element with index index in the result set (counting from 0)
:gt(index)	All elements in the result set after the given index (counting from 0)
:lt(index)	All elements in the result set before the given index (counting from 0)
：header	Heading element ( )
：animated	The element whose animation is playing
：contains(text)	An element containing the given text text
:empty	Elements that do not contain child nodes
:has(a)	At least one of the descendant elements matches a
:parent	The direct parent element of the current element
:hidden	Hidden elements, including hiding through css and
:visible	Opposite of the element matched by :hidden
[attr]	Element with attribute attr
[attr=value]	Elements whose attr attribute is value
[attr!=value]	Elements whose attr attribute is not value
[attr^=value]	Elements whose attr attribute value starts with value
[attr$=value]	Elements whose attr attribute value ends with value
[attr*=value]	The value of the attr attribute contains the string value
:nth-child(index)	Matches the index child element of each element in the collection (counting from 1)
:nth-child(even)	Matches the even-numbered child elements of each element in the set (counting from 1)
:nth-child(odd)	Matches the odd-numbered child elements of each element in the set (counting from 1)
:nth-child(formula)	Formula is a formula, the format is an b, a and b are integers
:first-child	Matches the first child element of each element in the collection
:last-child	Matches the last child element of each element in the set
:only-child	Matches the unique sub-element of each element in the collection. If it is not unique, it will not be executed
:input	All and <button> elements</button>
:text	element of Type="text"
:password	element of Type="password"
:radio	element with Type="radio"
:checkbox	element of Type="checkbox"
:submit	element of Type="submit"
:image	element of Type="image"
:reset	element with Type="reset"
:button	elements and elements of Type="button"
:file	element of Type="file"
:enabled	Enabled form elements
:disabled	Disabled form elements
:checked	Selected checkbox and radio button elements
:selected	Selected element

Traversal method	The jQuery object that returns the value contains
.filter(selector)	The selected element matching the given selector
.filter(callback)	The callback function callback returns true for the selected element
.eq(index)	The index-th selected element counting from 0
.slice(start,[end])	The selected elements of the given range counting from 0
.not(selector)