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速查表 核心 jQuery(selector jQuery(html jQuery(callback) 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) :header :animated :focus :contains(text) :empty :has(selector) :parent :hidden :visible [attribute] [attribute=value] [attribute!=value] [attribute^=value] [attribute$=value] [attribute*=value] [selector1][selector2][selectorN] :nth-child :first-child :last-child :only-child :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|[ 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 toggle([speed] slideDown([speed] slideUp([speed slideToggle([speed] fadeIn([speed] fadeOut([speed] fadeTo([[speed] fadeToggle([speed animate(param stop([cle] delay(duration 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.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.merge(first jQuery.unique(array) jQuery.parseJSON(json) 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) Deferred 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() Callbacks 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 regexp
characters

返回值:jQuerydata([key],[value])

概述

在元素上存放數(shù)據(jù),返回jQuery對(duì)象。

如果jQuery集合指向多個(gè)元素,那將在所有元素上設(shè)置對(duì)應(yīng)數(shù)據(jù)。 這個(gè)函數(shù)不用建立一個(gè)新的expando,就能在一個(gè)元素上存放任何格式的數(shù)據(jù),而不僅僅是字符串。

V1.4.3 新增用法NEW data(obj) 可傳入key-value形式的數(shù)據(jù)。

參數(shù)

keyStringV1.23

存儲(chǔ)的數(shù)據(jù)名.

key,valueString,AnyV1.2.3

key:存儲(chǔ)的數(shù)據(jù)名

value:將要存儲(chǔ)的任意數(shù)據(jù)

objobjectV1.4.3

一個(gè)用于設(shè)置數(shù)據(jù)的鍵/值對(duì)

data()V1.4.3

示例

描述:

在一個(gè)div上存取數(shù)據(jù)

HTML 代碼:
<div></div>
jQuery 代碼:
$("div").data("blah");  // undefined
$("div").data("blah", "hello");  // blah設(shè)置為hello
$("div").data("blah");  // hello
$("div").data("blah", 86);  // 設(shè)置為86
$("div").data("blah");  //  86
$("div").removeData("blah");  //移除blah
$("div").data("blah");  // undefined

描述:

在一個(gè)div上存取名/值對(duì)數(shù)據(jù)

HTML 代碼:
<div></div>
jQuery 代碼:
$("div").data("test", { first: 16, last: "pizza!" });
$("div").data("test").first  //16;
$("div").data("test").last  //pizza!;
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