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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(duì)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(duì)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
personnages

返回值:Object{top,left}position()

V1.2概述

獲取匹配元素相對(duì)父元素的偏移。

返回的對(duì)象包含兩個(gè)整型屬性:top 和 left。為精確計(jì)算結(jié)果,請(qǐng)?jiān)谘a(bǔ)白、邊框和填充屬性上使用像素單位。此方法只對(duì)可見元素有效。

示例

描述:

獲取第一段的偏移

HTML 代碼:
<p>Hello</p><p>2nd Paragraph</p>
jQuery 代碼:
var p = $("p:first");
var position = p.position();
$("p:last").html( "left: " + position.left + ", top: " + position.top );
結(jié)果:
<p>Hello</p><p>left: 15, top: 15</p>
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