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"jquery1.10.3在线手册"的目录

jQuery([selector,[context]])

jQuery(html,[ownerDocument])

jQuery(callback)

jQuery.holdReady(hold)

each(callback)

size()

length

selector

context

get([index])

index([selector|element])

data([key],[value])

removeData([name|list])

jQuery.data(element,[key],[value])

queue(element,[queueName])

dequeue([queueName])

clearQueue([queueName])

jQuery.fn.extend(object)

jQuery.extend(object)

jQuery.noConflict([extreme])

attr(name|properties|key,value|fn)

removeAttr(name)

prop(name|properties|key,value|fn)

removeProp(name)

addClass(class|fn)

removeClass([class|fn])

toggleClass(class|fn[,sw])

html([val|fn])

text([val|fn])

val([val|fn|arr])

css(name|pro|[,val|fn])

jQuery.cssHooks

offset([coordinates])

position()

scrollTop([val])

scrollLeft([val])

height([val|fn])

width([val|fn])

innerHeight()

innerWidth()

outerHeight([options])

outerWidth([options])

#id

element

.class

*

selector1,selector2,selectorN

ancestor descendant

parent > child

prev + next

prev ~ siblings

:first

:not(selector)

:even

:odd

:eq(index)

:gt(index)

:lang(language)

:last()

:lt(index)

:header

:animated

:focus

:root

:target

:contains(text)

:empty

:has(selector)

:parent

:hidden

:visible

[attribute]

[attribute=value]

[attribute!=value]

[attribute^=value]

[attribute$=value]

[attribute*=value]

[selector1][selector2][selectorN]

:first-child

:first-of-type

:last-child

:last-of-type

:nth-child

:nth-last-child(n|even|odd|formula)

:nth-last-of-type(n|even|odd|formula)

:nth-of-type(n|even|odd|formula)

:only-child

:only-of-type

:input

:text

:password

:radio

:checkbox

:submit

:image

:reset

:button

:file

:enabled

:disabled

:checked

:selected

append(content|fn)

appendTo(content)

prepend(content)

prependTo(content)

after(content|fn)

before(content|fn)

insertAfter(content)

insertBefore(content)

wrap(html|element|fn)

unwrap()

wrapAll(html|ele)

wrapInner(htm|element|fnl)

replaceWith(content|fn)

replaceAll(selector)

empty()

remove([expr])

detach([expr])

clone([Even[,deepEven]])

eq(index|-index)

first()

last()

hasClass(class)

filter(expr|obj|ele|fn)

is(expr|obj|ele|fn)

map(callback)

has(expr|ele)

not(expr|ele|fn)

slice(start, [end])

children([expr])

closest(expr,[context]|object|element)

find(expr|obj|ele)

next([expr])

nextAll([expr])

nextUntil([exp|ele][,fil])

offsetParent()

parent([expr])

parents([expr])

parentsUntil([expr|element][,filter])

prev([expr])

prevAll([expr])

prevUntil([exp|ele][,fil])

siblings([expr])

add(expr|ele|html|obj[,con])

andSelf()

addBack()

contents()

end()

ready(fn)

on(events,[selector],[data],fn)

off(events,[selector],[fn])

bind(type,[data],fn)

one(type,[data],fn)

trigger(type,[data])

triggerHandler(type, [data])

unbind(type,[data|fn]])

live(type, [data], fn)

die(type, [fn])

delegate(selector,[type],[data],fn)

undelegate([selector,[type],fn])

hover([over,]out)

toggle([speed],[easing],[fn])

blur([[data],fn])

change([[data],fn])

click([[data],fn])

dblclick([[data],fn])

error([[data],fn])

focus([[data],fn])

focusin([data],fn)

focusout([data],fn)

keydown([[data],fn])

keypress([[data],fn])

keyup([[data],fn])

mousedown([[data],fn])

mouseenter([[data],fn])

mouseleave([[data],fn])

mousemove([[data],fn])

mouseout([[data],fn])

mouseover([[data],fn])

mouseup([[data],fn])

resize([[data],fn])

scroll([[data],fn])

select([[data],fn])

submit([[data],fn])

unload([[data],fn])

show([speed,[easing],[fn]])

hide([speed,[easing],[fn]])

slideDown([speed],[easing],[fn])

slideUp([speed,[easing],[fn]])

slideToggle([speed],[easing],[fn])

fadeIn([speed],[easing],[fn])

fadeOut([speed],[easing],[fn])

fadeTo([[speed],opacity,[easing],[fn]])

fadeToggle([speed,[easing],[fn]])

animate(params,[speed],[easing],[fn])

stop([clearQueue],[jumpToEnd])

delay(duration,[queueName])

finish( [queue ] )

jQuery.fx.off

jQuery.fx.interval

jQuery.ajax(url,[settings])

load(url, [data], [callback])

jQuery.get(url, [data], [callback], [type])

jQuery.getJSON(url, [data], [callback])

jQuery.getScript(url, [callback])

jQuery.post(url, [data], [callback], [type])

ajaxComplete(callback)

ajaxError(callback)

ajaxSend(callback)

ajaxStart(callback)

ajaxStop(callback)

ajaxSuccess(callback)

jQuery.ajaxPrefilter( [dataTypes] , handler(options, originalOptions, jqXHR) )

jQuery.ajaxSetup([options])

serialize()

serializeArray()

jQuery.support

jQuery.browser

jQuery.browser.version

jQuery.boxModel

jQuery.each(object, [callback])

jQuery.extend([deep], target, object1, [objectN])

jQuery.grep(array, callback, [invert])

jQuery.sub()

jQuery.when(deferreds)

jQuery.makeArray(obj)

jQuery.map(arr|obj,callback)

jQuery.inArray(value,array,[fromIndex])

jQuery.toArray()

jQuery.merge(first,second)

jQuery.unique(array)

jQuery.parseJSON(json)

jQuery.parseXML(data)

jQuery.noop

jQuery.proxy(function,context)

jQuery.contains(container,contained)

jQuery.type(obj)

jQuery.isArray(obj)

jQuery.isFunction(obj)

jQuery.isEmptyObject(obj)

jQuery.isPlainObject(obj)

jQuery.isWindow(obj)

jQuery.isNumeric(value)

jQuery.trim(str)

jQuery.param(obj,[traditional])

jQuery.error(message)

$.fn.jquery

event.currentTarget

event.data

event.delegateTarget

event.isDefaultPrevented()

event.isImmediatePropagationStopped()

event.isPropagationStopped()

event.namespace

event.pageX

event.pageY

event.preventDefault()

event.relatedTarget

event.result

event.stopImmediatePropagation()

event.stopPropagation()

event.target

event.timeStamp

event.type

event.which

deferred.done(doneCallbacks[,doneCallbacks])

deferred.fail(failCallbacks[,failCallbacks])

deferred.isRejected()

deferred.isResolved()

deferred.reject(args)

deferred.rejectWith(context,[args])

deferred.resolve(args)

deferred.resolveWith(context,[args])

deferred.then(doneCallbacks,failCallbacks[, progressCallbacks])

deferred.promise([type],[target])

deferred.pipe([doneFilter],[failFilter],[progressFilter])

deferred.always(alwaysCallbacks,[alwaysCallbacks])

deferred.notify(args)

deferred.notifyWith(context,[args])

deferred.progress(progressCallbacks)

deferred.state()

callbacks.add(callbacks)

callbacks.disable()

callbacks.empty()

callbacks.fire(arguments)

callbacks.fired()

callbacks.fireWith([context][,args])

callbacks.has(callback)

callbacks.lock()

callbacks.locked()

callbacks.remove(callbacks)

jQuery.callbacks(flags)

jquery1.10.3在线手册 event.preventDefault()

2022-08-31 开发文档 jquery1.10.3在线手册 jquery 15℃

返回值:undefinedevent.preventDefault()

V1.0概述

阻止默认事件行为的触发。

例如，在执行这个方法后，如果点击一个锚点，就不会让浏览器跳转到新的 URL 去了。我们可以用 event.isDefaultPrevented() 来确定这个方法是否(在那个事件对象上)调用过了。

示例

描述:

取消点击的默认行为(导航)。。

代码:

<!DOCTYPE html>
  <html>
  <head>
    <script src="http://code.jquery.com/jquery-latest.min.js"></script>
  </head>
  <body>
      <a href="http://jquery.com">default click action is prevented</a>
      <div id="log"></div>
       <script>
            $("a").click(function(event) {
               event.preventDefault();
               $('<div/>').append('default ' + event.type + ' prevented').appendTo('#log');
             });
       </script>
    </body>
  </html>

上一节： event.pageY

下一节： event.relatedTarget