jQuery 学习列表

jQuery   学习列表

1、

Events

Page Load

$. ready ( fn() )

Specify a function to execute when the DOM is fully loaded.

2、

Selectors

Basics

#id

Selects a single element with the given id attribute.

element

Selects all elements with the given tag name.

.class, .class.class

Selects all elements with the given class.

*

Selects all elements.

selector1, selector2

Selects the combined results of all the specified selectors.

3、

Attributes

Attributes

str. attr ( name ) | (name , value ) ) 1.6*

Get the value of an attribute for the first element in the set of matched elements.

$. attr ( name, val ), . attr ( map ), . attr ( name, fn(index, attr) )

Set one or more attributes for the set of matched elements.

$. removeAttr ( name )

Remove an attribute from each element in the set of matched elements.

$. prop ( name ) 1.6+

Get the value of a property for the first element in the set of matched elements.

$. removeProp ( name ) 1.6+

Remove a property for the set of matched elements.

 4、

Traversing

Filtering

$. eq ( index )

Reduce the set of matched elements to the one at the specified index.

$. first ( )

Reduce the set of matched elements to the first in the set.

$. last ( )

Reduce the set of matched elements to the final one in the set.

$. has ( selector ), . has ( element )

Reduce the set of matched elements to those that have a descendant that matches the selector or DOM element.

$. filter ( selector ), . filter ( fn(index) )

Reduce the set of matched elements to those that match the selector or pass the function's test.

bool. is ( selector | function(index) | jQuery object | element ) 1.6*

Check the current matched set of elements against a selector and return true if at least one of these elements matches the selector.

$. map ( fn(index, element) )

Pass each element in the current matched set through a function, producing a new jQuery object containing the return values..

$. not ( selector ), . not ( elements ), . not ( fn( index )

Remove elements from the set of matched elements.

$. slice ( start [, end]

Reduce the set of matched elements to a subset specified by a range of indices.