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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
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返回值:jQueryerror([[data],fn])

概述

觸發(fā)每一個(gè)匹配元素的error事件。

這個(gè)函數(shù)會(huì)調(diào)用所有綁定到error事件上的函數(shù),包括在對(duì)應(yīng)元素上的瀏覽器默認(rèn)行為??梢酝ㄟ^(guò)在某個(gè)綁定的函數(shù)中返回false來(lái)防止觸發(fā)瀏覽器的默認(rèn)行為。error事件通??梢栽谠赜捎邳c(diǎn)擊或者tab導(dǎo)航失去焦點(diǎn)時(shí)觸發(fā)。

對(duì)于error事件,沒(méi)有一個(gè)公眾的標(biāo)準(zhǔn)。在大多數(shù)瀏覽器中,當(dāng)頁(yè)面的JavaScript發(fā)生錯(cuò)誤時(shí),window對(duì)象會(huì)觸發(fā)error事件;當(dāng)圖像的src屬性無(wú)效時(shí),比如文件不存在或者圖像數(shù)據(jù)錯(cuò)誤時(shí),也會(huì)觸發(fā)圖像對(duì)象的error事件。

如果異常是由window對(duì)象拋出,事件處理函數(shù)將會(huì)被傳入三個(gè)參數(shù):

1. 描述事件的信息 ("varName is not defined", "missing operator in expression", 等等.),

2. 包含錯(cuò)誤的文檔的完整URL

3. 異常發(fā)生的行數(shù) 如果事件處理函數(shù)返回true,則表示事件已經(jīng)被處理,瀏覽器將認(rèn)為沒(méi)有異常。

更多相關(guān)信息:

msdn - onerror Event

Gecko DOM Reference - onerror Event

Gecko DOM Reference - Event object

Wikipedia: DOM Events<

參數(shù)

fnFunctionV1.0

在每一個(gè)匹配元素的error事件中綁定的處理函數(shù)。

[data],fnString,FunctionV1.4.3

data:error([Data], fn) 可傳入data供函數(shù)fn處理。

fn:在每一個(gè)匹配元素的error事件中綁定的處理函數(shù)。

示例

描述:

在服務(wù)器端記錄JavaScript錯(cuò)誤日志:

jQuery 代碼:
$(window).error(function(msg, url, line){
  jQuery.post("js_error_log.php", { msg: msg, url: url, line: line });
});

描述:

隱藏JavaScript錯(cuò)誤:

jQuery 代碼:
$(window).error(function(){
  return true;
});

描述:

給你IE的用戶隱藏?zé)o效的圖像:

jQuery 代碼:
$("img").error(function(){
  $(this).hide();
});
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