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......
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)? ......
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......
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......
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......
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......
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......
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......
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......
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%; ......
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......
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......
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......
[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......
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......
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......
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&#......
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......
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......
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......