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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
文字

返回值:BooleanjQuery.proxy(function,context)

概述

jQuery 1.4 新增。返回一個(gè)新函數(shù),并且這個(gè)函數(shù)始終保持了特定的作用域。

當(dāng)有事件處理函數(shù)要附加到元素上,但他們的作用域?qū)嶋H是指向另一個(gè)對(duì)象時(shí),這個(gè)方法最有用了。此外,最妙的是,jQuery能夠確保即便你綁定的函數(shù)是經(jīng)過(guò)jQuery.proxy()處理過(guò)的函數(shù),你依然可以傳遞原先的函數(shù)來(lái)準(zhǔn)確無(wú)誤地取消綁定。請(qǐng)參考下面的例子。

這個(gè)函數(shù)還有另一種用法,jQuery.proxy( scope, name )。第一個(gè)參數(shù)是要設(shè)定的作用域?qū)ο?。第二個(gè)參數(shù)是將要設(shè)置作用域的函數(shù)名(必須是第一個(gè)作用域?qū)ο蟮囊粋€(gè)屬性)。

參數(shù)

function,contextFunction,ObjectV1.4

function:將要被改變作用域的函數(shù)

context:一個(gè)object,那個(gè)函數(shù)的作用域會(huì)被設(shè)置到這個(gè)object上來(lái)。

context,nameObject,ObjectV1.4

context:一個(gè)object,那個(gè)函數(shù)的作用域會(huì)被設(shè)置到這個(gè)object上來(lái)。

name:改變上下文中的函數(shù)名(這個(gè)函數(shù)必須是前一個(gè)參數(shù) 'context' 對(duì)象的屬性)

示例

描述:

強(qiáng)制設(shè)置函數(shù)的作用域,讓this指向obj而不是#test對(duì)象。

HTML 代碼:
<div id="test">Click Here!</div>
jQuery 代碼:
var obj = {
  name: "John",
  test: function() {
    alert( this.name );
    $("#test").unbind("click", obj.test);
  }
};

$("#test").click( jQuery.proxy( obj, "test" ) );

// 以下代碼跟上面那句是等價(jià)的:
// $("#test").click( jQuery.proxy( obj.test, obj ) );

// 可以與單獨(dú)執(zhí)行下面這句做個(gè)比較。
// $("#test").click( obj.test );
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