返回值:Numbersize()
V1.0概述
jQuery 对象中元素的个数。
当前匹配的元素个数。 <span title="Core/size">size</span> 将返回相同的值。
示例
描述:
计算文档中所有图片数量
HTML 代码:
<img src="test1.jpg"/> <img src="test2.jpg"/>jQuery 代码:
$("img").size();结果:
2顶部
核心
- jQuery([sel,[context]])
- jQuery(html,[ownerDoc])1.8*
- jQuery(callback)
- jQuery.holdReady(hold)1.6+
- each(callback)
- size()
- length
- selector
- context
- get([index])
- index([selector|element])
- data([key],[value])
- removeData([name|list])1.7*
$.data(ele,[key],[val])1.8-- queue(e,[q])
- dequeue([queueName])
- clearQueue([queueName])
- jQuery.fn.extend(object)
- jQuery.extend(object)
- jQuery.noConflict([ex])
属性
CSS
选择器
- #id
- element
- .class
- *
- selector1,selector2,selectorN
- ancestor descendant
- parent > child
- prev + next
- prev ~ siblings
- :first
- :not(selector)
- :even
- :odd
- :eq(index)
- :gt(index)
- :lang1.9+
- :last
- :lt(index)
- :header
- :animated
- :focus1.6+
- :root1.9+
- :target1.9+
- :contains(text)
- :empty
- :has(selector)
- :parent
- :hidden
- :visible
- [attribute]
- [attribute=value]
- [attribute!=value]
- [attribute^=value]
- [attribute$=value]
- [attribute*=value]
- [attrSel1][attrSel2][attrSelN]
- :first-child
- :first-of-type1.9+
- :last-child
- :last-of-type1.9+
- :nth-child
- :nth-last-child()1.9+
- :nth-last-of-type()1.9+
- :nth-of-type()1.9+
- :only-child
- :only-of-type1.9+
- :input
- :text
- :password
- :radio
- :checkbox
- :submit
- :image
- :reset
- :button
- :file
- :hidden
- :enabled
- :disabled
- :checked
- :selected
文档处理
- append(content|fn)
- appendTo(content)
- prepend(content|fn)
- prependTo(content)
- after(content|fn)
- before(content|fn)
- insertAfter(content)
- insertBefore(content)
- wrap(html|ele|fn)
- unwrap()
- wrapall(html|ele)
- wrapInner(html|ele|fn)
- replaceWith(content|fn)
- replaceAll(selector)
- empty()
- remove([expr])
- detach([expr])
- clone([Even[,deepEven]])
筛选
- eq(index|-index)
- first()
- last()
- hasClass(class)
- filter(expr|obj|ele|fn)
- is(expr|obj|ele|fn)1.6*
- map(callback)
- has(expr|ele)
- not(expr|ele|fn)
- slice(start,[end])
- children([expr])
- closest(e|o|e)1.7*
- find(e|o|e)1.6*
- next([expr])
- nextAll([expr])
- nextUntil([e|e][,f])1.6*
- offsetParent()
- parent([expr])
- parents([expr])
- parentsUntil([e|e][,f])1.6*
- prev([expr])
- prevall([expr])
- prevUntil([e|e][,f])1.6*
- siblings([expr])
- add(e|e|h|o[,c])
- andSelf()
- contents()
- end()
事件
- ready(fn)
- on(eve,[sel],[data],fn)1.7+
- off(eve,[sel],[fn])1.7+
- bind(type,[data],fn)
- one(type,[data],fn)
- trigger(type,[data])
- triggerHandler(type, [data])
- unbind(t,[d|f])
live(type,[data],fn)1.7-die(type,[fn])1.7-- delegate(s,[t],[d],fn)
- undelegate([s,[t],fn])1.6*
- hover([over,]out)
toggle(fn, fn2, [fn3, fn4, ...])1.9-- 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])
效果
- show([s,[e],[fn]])
- hide([s,[e],[fn]])
- slideDown([s],[e],[fn])
- slideUp([s,[e],[fn]])
- slideToggle([s],[e],[fn])
- fadeIn([s],[e],[fn])
- fadeOut([s],[e],[fn])
- fadeTo([[s],o,[e],[fn]])
- fadeToggle([s,[e],[fn]])
- animate(p,[s],[e],[fn])1.8*
- stop([c],[j])1.7*
- delay(d,[q])
- finish([queue])1.9+
- jQuery.fx.off
- jQuery.fx.interval
ajax
- $.ajax(url,[settings])
- load(url,[data],[callback])
- $.get(url,[data],[fn],[type])
- $.getJSON(url,[data],[fn])
- $.getScript(url,[callback])
- $.post(url,[data],[fn],[type])
- ajaxComplete(callback)
- ajaxError(callback)
- ajaxSend(callback)
- ajaxStart(callback)
- ajaxStop(callback)
- ajaxSuccess(callback)
- $.ajaxPrefilter([type],fn)
- $.ajaxSetup([options])
- serialize()
- serializearray()
工具
- $.support
$.browser1.9-- $.browser.version
$.boxModel- $.each(object,[callback])
- $.extend([d],tgt,obj1,[objN])
- $.grep(array,fn,[invert])
$.sub()1.9-- $.when(deferreds)
- $.makearray(obj)
- $.map(arr|obj,callback)1.6*
- $.inarray(val,arr,[from])
- $.toarray()
- $.merge(first,second)
- $.unique(array)
- $.parseJSON(json)
- $.parseXML(data)
- $.noop
- $.proxy(function,context)
- $.contains(c,c)
- $.type(obj)
- $.isarray(obj)
- $.isFunction(obj)
- $.isEmptyObject(obj)
- $.isPlainObject(obj)
- $.isWindow(obj)
- $.isNumeric(value)1.7+
- $.trim(str)
- $.param(obj,[traditional])
- $.error(message)
- $.fn.jquery
事件对象
- eve.currentTarget
- eve.data
- eve.delegateTarget1.7+
- eve.isDefaultPrevented()
- eve.isImmediatePropag...()
- eve.isPropagationStopped()
- eve.namespace
- eve.pageX
- eve.pageY
- eve.preventDefault()
- eve.relatedTarget
- eve.result
- eve.stopImmediatePro...()
- eve.stopPropagation()
- eve.target
- eve.timeStamp
- eve.type
- eve.which
延迟对象
- def.done(d,[d])
- def.fail(failCallbacks)
def.isRejected()1.7-def.isResolved()1.7-- def.reject(args)
- def.rejectWith(c,[a])
- def.resolve(args)
- def.resolveWith(c,[a])
- def.then(d[,f][,p])1.8*
- def.promise([ty],[ta])1.6+
def.pipe([d],[f],[p])1.8-- def.always(al,[al])1.6+
- def.notify(args)1.7+
- def.notifyWith(c,[a])1.7+
- def.progress(proCal)1.7+
- def.state()1.7+
回调函数
- cal.add(callbacks)1.7+
- cal.disable()1.7+
- cal.empty()1.7+
- cal.fire(arguments)1.7+
- cal.fired()1.7+
- cal.fireWith([c] [,a])1.7+
- cal.has(callback)1.7+
- cal.lock()1.7+
- cal.locked()1.7+
- cal.remove(callbacks)1.7+
- $.callbacks(flags)1.7+
其它
jquery中文手册 自从 2011 第1.7版到现在，这期间进行了很多次修改，因为作者相信：只要用心，哪怕一个小玩意都可以做到极致。 若喜欢 jquery中文手册，期待小额资金捐赠以支持开源 :-)
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