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收录了118090篇文章 ·121393个问题 · 0人关注
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Variable hoisting

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: alert(myVar1); returnfalse; varmyVar1; AbovecodethrowserrorinIE,FFandOperastatingthatreturnstatementhastocomeinthefunct......

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Execute script after specific delay using JavaScri

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IsthereanyJavaScriptmethodsimilartothejQuerydelay()orwait()(todelaytheexecutionofascriptforaspecificamountoftime)? ......

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MSIE and addEventListener Problem in Javascript?

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: document.getElementById(\'container\').addEventListener(\'copy\',beforecopy,false); InChrome/Safari,theabovewillrunthe\"beforecop......

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JavaScript DOM remove element

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: I\'mtryingtotestifaDOMelementexists,andifitdoesexistdeleteit,andifitdoesn\'texistcreateit. varduskdawnkey=localStor......

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Escape quotes in JavaScript

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: I\'moutputtingvaluesfromadatabase(itisn\'treallyopentopublicentry,butitisopentoentrybyauseratthecompany--meaning,I......

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addEventListener not working in IE8

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Ihavecreatedacheckboxdynamically.IhaveusedaddEventListenertocallafunctiononclickofthecheckbox,whichworksinGoogleChrom......

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Are eval() and new Function() the same thi

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Arethesetwofunctionsdoingthesamethingbehindthescenes?(insinglestatementfunctions) varevaluate=function(string){ return......

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In Javascript, why is the “this” operator inconsis

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: InJavaScript,the\"this\"operatorcanrefertodifferentthingsunderdifferentscenarios. TypicallyinamethodwithinaJavaScript\"o......

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Is it possible to send a variable number of argume

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IsitpossibletosendavariablenumberofargumentstoaJavaScriptfunction,fromanarray? vararr=[\'a\',\'b\',\'c\'] varfunc=fu......

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Only detect click event on pseudo-element

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Mycodeis: p{ position:relative; background-color:blue; } p:before{ content:\'\'; position:absolute; left:100%; ......

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Reading file contents on the client-side in javasc

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: I\'mattemptingtoprovideascript-onlysolutionforreadingthecontentsofafileonaclientmachinethroughabrowser. Ihaveasolutio......

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What is the purpose of a plus symbol before a vari

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: thisreallysoundslikeasimplequestionbutIhadnolucksearching.whatdoesthe+din functionaddMonths(d,n,keepTime){ if(+d......

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How to synchronize a sequence of promises?

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Ihaveanarrayofpromiseobjectsthatmustberesolvedinthesamesequenceinwhichtheyarelistedinthearray,i.e.wecannotattemptr......

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[removed] and [removed] is not working in Firefox

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: InmychatapplicationIneedtogetconfirmationfromuser,whenmyapplicationcloses. SoIusedthewindow.onbeforeunloadforconfirmati......

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Is there a more accurate way to create a Javascrip

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: SomethingthathasalwaysbuggedmeishowunpredictablethesetTimeout()methodinJavascriptis. Inmyexperience,thetimerishorriblyi......

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How do I load the contents of a text file into a j

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Ihaveatextfileintherootofmywebapphttp://localhost/foo.txtandI\'dliketoloaditintoavariableinjavascript..ingroovyIwo......

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Why am I seeing an “origin is not allowed by Acces

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Thisquestionalreadyhasananswerhere: XMLHttpRequestcannotloadXXXNo'Access-Control-Allow-Origin&#......

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Access parent URL from iframe

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Okay,IhaveapageonandonthispageIhaveaniframe.WhatIneedtodoisontheiframepage,findoutwhattheURLofthemainpageis......

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Correct way to write loops for promise.

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: Howtocorrectlyconstructalooptomakesurethefollowingpromisecallandthechainedlogger.log(res)runssynchronouslythroughiteratio......

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Unzipping files

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试):问题: IwanttodisplayOpenOfficefiles,.odtand.odpatclientsideusingawebbrowser. Thesefilesarezippedfiles.UsingAjax,Icangett......