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速查表 核心 jQuery(selector jQuery(html jQuery(callback) jQuery.holdReady(hold) each(callback) size() length selector context get([index]) index([selector|element]) data([key] removeData([name|list]) jQuery.data(element queue(element dequeue([queueName]) clearQueue([queueName]) jQuery.noConflict([extreme]) 選擇器 #id element .class * selector1 ancestor descendant parent > child prev + next prev ~ siblings :first :last :not(selector) :even :odd :eq(index) :gt(index) :lt(index) :lang(language) :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() :nth-last-of-type() :nth-of-type() :only-child :only-of-type :input :text :password :radio :checkbox :submit :image :reset :button :file :hidden :enabled :disabled :checked :selected 屬性 attr(name|pro|key removeAttr(name) prop(name|pro|key removeProp(name) addClass(class|fn) removeClass([class|fn]) toggleClass(class|fn[ html([val|fn]) text([val|fn]) val([val|fn|arr]) 篩選 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 children([expr]) closest(expr find(expr|obj|ele) next([expr]) nextAll([expr]) nextUntil([exp|ele][ parent([expr]) parents([expr]) parentsUntil([exp|ele][ prev([expr]) prevAll([expr]) prevUntil([exp|ele][ siblings([expr]) add(expr|ele|html|obj[ andSelf() contents() end() 文檔處理 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[ CSS css(name|pro|[ jQuery.cssHooks offset([coordinates]) position() scrollTop([val]) scrollLeft([val]) height([val|fn]) width([val|fn]) innerHeight() innerWidth() outerHeight([options]) outerWidth([options]) 事件 ready(fn) on(events off(events bind(type one(type trigger(type triggerHandler(type unbind(type live(type die(type delegate(sel undelegate([sel hover([over toggle(fn blur([[data] change([[data] click([[data] dblclick([[data] error([[data] focus([[data] focusin([data] focusout([data] keydown([[data] keypress([[data] keyup([[data] mousedown([[data] mouseenter([[data] mouseleave([[data] mousemove([[data] mouseout([[data] mouseover([[data] mouseup([[data] resize([[data] scroll([[data] select([[data] submit([[data] unload([[data] 效果 show([speed hide([speed slideDown([speed] slideUp([speed slideToggle([speed] fadeIn([speed] fadeOut([speed] fadeTo([[speed] fadeToggle([speed animate(param stop([cle] delay(duration finish( [queue ] ) jQuery.fx.off jQuery.fx.interval Ajax jQuery.ajax(url load(url jQuery.get(url jQuery.getJSON(url jQuery.getScript(url jQuery.post(url ajaxComplete(callback) ajaxError(callback) ajaxSend(callback) ajaxStart(callback) ajaxStop(callback) ajaxSuccess(callback) jQuery.ajaxPrefilter([type] jQuery.ajaxSetup([options]) serialize() serializeArray() 工具 jQuery.support jQuery.browser jQuery.browser.version jQuery.boxModel jQuery.each(object jQuery.extend([deep] jQuery.grep(array jQuery.makeArray(obj) jQuery.map(array jQuery.inArray(val jQuery.toArray() jQuery.sub() jQuery.when(deferreds) jQuery.merge(first jQuery.unique(array) jQuery.parseJSON(json) jQuery.parseXML(data) jQuery.noop jQuery.proxy(function jQuery.contains(container jQuery.isArray(obj) jQuery.isFunction(obj) jQuery.isEmptyObject(obj) jQuery.isPlainObject(obj) jQuery.isWindow(obj) jQuery.isNumeric(value) jQuery.type(obj) jQuery.trim(str) jQuery.param(obj jQuery.error(message) $.fn.jquery 事件對象 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 延遲對象 def.done(donCal def.fail(failCal) def.isRejected() def.isResolved() def.reject(args) def.rejectWith(context def.resolve(args) def.resolveWith(context def.then(doneCal def.progress([type] def.pipe([donFil] def.always(alwCal def.notify(args) def.notifyWith(context def.progress(proCal) def.state() 回調(diào)函數(shù) callbacks.add(callbacks) callbacks.disable() callbacks.empty() callbacks.fire(arguments) callbacks.fired() callbacks.fireWith([context][ callbacks.has(callback) callbacks.lock() callbacks.locked() callbacks.remove(callbacks) jQuery.callbacks(flags) 關(guān)于 關(guān)于jQuery API 文檔 提交bug及獲取更新 其它 正則表達(dá)式速查表
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返回值:jQueryfadeTo([[speed],opacity,[easing],[fn]])

概述

把所有匹配元素的不透明度以漸進(jìn)方式調(diào)整到指定的不透明度,并在動畫完成后可選地觸發(fā)一個回調(diào)函數(shù)。

這個動畫只調(diào)整元素的不透明度,也就是說所有匹配的元素的高度和寬度不會發(fā)生變化。

參數(shù)

speed,opacity,[fn]Number/String,Number,FunctionV1.0

speed:三種預(yù)定速度之一的字符串("slow","normal", or "fast")或表示動畫時長的毫秒數(shù)值(如:1000)

opacity:一個0至1之間表示透明度的數(shù)字。

fn:在動畫完成時執(zhí)行的函數(shù),每個元素執(zhí)行一次。

[speed],opacity,[easing],[fn]Number/String,String,FunctionV1.4.3

speed:三種預(yù)定速度之一的字符串("slow","normal", or "fast")或表示動畫時長的毫秒數(shù)值(如:1000)

opacity:一個0至1之間表示透明度的數(shù)字。

easing:(Optional) 用來指定切換效果,默認(rèn)是"swing",可用參數(shù)"linear"

fn:在動畫完成時執(zhí)行的函數(shù),每個元素執(zhí)行一次。

示例

描述:

使用淡入效果來顯示一個隱藏的 <p> 元素:

jQuery 代碼:
$(".btn2").click(function(){
  $("p").fadeIn();
});

描述:

用600毫秒緩慢的將段落的透明度調(diào)整到0.66,大約2/3的可見度

jQuery 代碼:
$("p").fadeTo("slow", 0.66);

描述:

用200毫秒快速將段落的透明度調(diào)整到0.25,大約1/4的可見度,之后彈出一個對話框

jQuery 代碼:
$("p").fadeTo("fast", 0.25, function(){
   alert("Animation Done.");
 });
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