Javascript Error Undefined Is Not An Object
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is not an object up vote 2 down vote favorite I have a currently fairly dysfunctional Javascript program that's been causing me problems. However, it throws one error that I just don't understand: TypeError: 'undefined' is not an object (evaluating 'sub.from.length') What I'm trying to do, as you can probably guess, is check the length of a certain "from" array in the sub dict. javascript 'undefined' is not an object (evaluating Here's the source code for the entire function, and here's the code of the loop that I think is causing the error: console.log(afcHelper_ffuSubmissions.length); // just for debugging, returns the correct number for (var i = 0; i < afcHelper_ffuSubmissions.length; i++) { // this whole section works fine var sub = afcHelper_ffuSubmissions[i]; //console.log("THIS IS BROKEN DOWN BY LINK",afcHelper_Submissions[i]); if (pagetext.indexOf(afcHelper_ffuSections[sub.section]) == -1) { // Someone has modified the section in the mean time. Skip. document.getElementById('afcHelper_status').innerHTML += '
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this typeerror undefined is not an object phantomjs site About Us Learn more about Stack Overflow the company Business Learn more undefined is not an object (evaluating jasmine about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x typeerror: 'undefined' is not an object javascript Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up JavaScript Error http://stackoverflow.com/questions/17716070/typeerror-undefined-is-not-an-object “Undefined is not an object” up vote -1 down vote favorite I am attempting to debug javascript that runs inside Adobe indesign. The first executable line returns an "undefined is not an object" if ( app.documents.length==0 ) { exit(); } Could Adobe have moved the nested object "documents" to a higher level? javascript object adobe undefined adobe-indesign share|improve this question edited Nov 23 '15 http://stackoverflow.com/questions/33877489/javascript-error-undefined-is-not-an-object at 18:07 magreenberg 1,270417 asked Nov 23 '15 at 17:58 sumaafaizy 62 2 Either app or documents is undefined. I don't know enough about the scripting environment to say which; if you can output debugging info, try console.log(typeof app) to see if you have a handle on the right app object. –nrabinowitz Nov 23 '15 at 18:01 2 You need to include more information. whats in app, what is documents, etc. maybe JSON.stringify(app) and include that in your question –Gabs00 Nov 23 '15 at 18:01 add a comment| 3 Answers 3 active oldest votes up vote 1 down vote Cashmirek is probably right. If you are running your script from inside ExtendScript ToolKit, you need to either type in the #target instruction or pick InDesign in the application list. share|improve this answer answered Nov 24 '15 at 17:41 Loic 1,18449 add a comment| up vote 0 down vote Your code can be safe but to be effective make sure script is properly targeted. I.e. if your debug is processing from ESTK - choose a target application from left-up corner dropdownlist or place this line in code's very top:
FeaturesBeing a DevDadJavaScript PromiseAPIChris Coyier's Favorite CodePen DemosII7 Essential JavaScriptFunctionsI'm anImpostorInteractive DemosJavaScript Copy toClipboardJavaScript SpeechRecognitionCreate a 3D Panorama Image withA-FrameWeb AudioAPISpatialNavigationPopular TopicsHTML5CSS AnimationsFirefox OSjQueryMooToolsPHPCSS3WordPressMobileSEOJavaScriptDojo ToolkitDavid Walsh BlogAbout David WalshContact and AdvertiseDeveloper DealsMozillaSearchO'Reilly Boston Training CenterIn Person and https://davidwalsh.name/fix-javascript-errors Online Training CoursesCheck it out today!JavaScript Errors and How to FixThem OSCON, London, UK • October 17-20 • Save 30% PC30DWALSHJavaScript Errors and How to Fix Them By Jani Hartikainenon https://github.com/nathanboktae/mocha-casperjs/issues/80 January 22, 2015 25JavaScript can be a nightmare to debug: Some errors it gives can be very difficult to understand at first, and the line numbers given aren't is not always helpful either. Wouldn't it be useful to have a list where you could look to find out what they mean and how to fix them? Here you go! Below is a list of the strange errors in JavaScript. Different browsers can give you different messages for the same error, so there are several different examples where applicable. is not an How to read errors? Before the list, let's quickly look at the structure of an error message. Understanding the structure helps understand the errors, and you'll have less trouble if you run into any errors not listed here. A typical error from Chrome looks like this: Uncaught TypeError: undefined is not a function The structure of the error is as follows: Uncaught TypeError: This part of the message is usually not very useful. Uncaught means the error was not caught in a catch statement, and TypeError is the error's name. undefined is not a function: This is the message part. With error messages, you have to read them very literally. For example in this case it literally means that the code attempted to use undefined like it was a function. Other webkit-based browsers, like Safari, give errors in a similar format to Chrome. Errors from Firefox are similar, but do not always include the first part, and recent versions of Internet Explorer also give simpler errors than Chrome - but in this case, sim
Sign in Pricing Blog Support Search GitHub This repository Watch 4 Star 107 Fork 29 nathanboktae/mocha-casperjs Code Issues 6 Pull requests 0 Projects 0 Wiki Pulse Graphs New issue Phantomjs error: TypeError: undefined is not an object (evaluating 'phantomArgs.forEach') #80 Closed alexserver opened this Issue Feb 9, 2016 · 19 comments Projects None yet Labels None yet Milestone No milestone Assignees No one assigned 4 participants alexserver commented Feb 9, 2016 I'm getting the following error when I attempt to run tests: > mocha-casperjs --ignore-ssl-errors=yes ./tests/**/*.js Fontconfig warning: ignoring UTF-8: not a valid region tag TypeError: undefined is not an object (evaluating 'phantomArgs.forEach') phantomjs://platform/cli.js:103 in parse I'm running from my project npm run test In scripts I have configured: "test": "mocha-casperjs --ignore-ssl-errors=yes ./tests/**/*.js", I have globally installed: phantomjs@2.1.3 And locally installed: "casper-chai": "^0.2.1", "casperjs": "^1.1.0-beta4", "chai": "^3.5.0", "mocha": "^2.3.4", "mocha-casperjs": "^0.5.5" Owner nathanboktae commented Feb 11, 2016 mocha-casperjs doesn't take in wildcards and doesn't support pulling all files in a directory (see #20), so you need to specify things individually. As for the error, it uses casperjs' internal argument parsing, so you probably hit a bug there. alexserver commented Feb 11, 2016 @nathanboktae ./tests/**/*.js is using glob syntax. So, mocha let me executes a list of tests files within many directories, what do you recommend me for this ? Oh ! and I forgot to mention ! when I had phantomjs@1.9.x and casperjs@1.1.0-beta3 this was working good, but I had to upgrade to phantomjs@2.x because of DOM libraries (I'm using Ractive.js but that's another story). Owner nathanboktae commented Feb 11, 2016 @nathanboktae ./tests/*/.js is using glob syntax. Er yeah that's what I meant by wildcards. I'm still unlearning Microspeak. what do you rec