Error Argument is not a function got undefined

Question

Using AngularJS with Scala Play  I m getting this error      Error  Argument  MainCtrl  is not a function  got undefined   I m trying to create a table consisting of the days of the week   Please take a look at my code  I had checked the name of the Controller  but that seems correct  Note  Code used from this SO answer  index scala html    message  String    main  inTime       lt  doctype html gt   lt html lang  en  ng-app gt       lt head gt           lt link rel  stylesheet  media  screen  href   routes Assets at  stylesheets main css    gt       lt  head gt   lt div ng-controller  MainCtrl  gt       lt table border  1  gt       lt tbody ng-repeat   what items  in data  gt         lt tr ng-repeat  item in items  gt           lt td ngm-if   first  rowspan    items length    gt   what   lt  td gt           lt td gt   item   lt  td gt         lt  tr gt       lt  tbody gt     lt  table gt   lt  div gt   lt  html gt       MainCtrl js    function         angular module   myApp        controller  MainCtrl   function  scope             scope data                 Colors    Monday    Tuesday    Wednesday    Thursday    Friday

User · Answer

I had the same error message  in my case    Argument  languageSelectorCtrl  is not a function  got undefined     After some tedious comparison with Angular seed s code  I found out that I had previously removed a reference to the controllers module in app js   spot it at https   github com angular angular-seed blob master app js app js   So I had this   angular module  MyApp     MyApp filters    MyApp services    MyApp directives     This failed   And when I added the missing reference   angular module  MyApp     MyApp filters    MyApp services    MyApp controllers    MyApp directives      The error message disappeared and Angular could instanciate the controllers again

User · Answer

There appear to be many working solutions suggesting the error has many actual causes  In my case I hadn t declared the controller in app index html   lt scipt src  quot src controllers controller-name controller js quot  gt  lt  script gt   Error gone

User · Answer

Because this pops-up in Google when trying to find an answer to   Error  Argument    is not a function  got undefined    It s possible that you are trying to create the same module twice      The angular module is a global place for creating  registering and   retrieving AngularJS modules       Passing one argument retrieves an existing angular Module  whereas   passing more than one argument creates a new angular Module   Source  https   docs angularjs org api ng function angular module overview  Example   angular module  myApp       Is used to create a module without injecting any dependencies   angular module  myApp    Without argument  is used to get an existing module

User · Answer

FIRST  check if you have correct controller in the route definitions  same as the controller names that you are defining   communityMod config    routeProvider     function  routeProvider         routeProvider        when   members             templateUrl   modules community views members html           controller   CommunityMembersCtrl                  otherwise           redirectTo    members                    communityMod controller  CommunityMembersCtrl      scope       function   scope             scope name    Hello community              different controller names in this example will lead to errors  but this example is correct  SECOND check if you have imported your javascript file    lt script src  modules community controllers CommunityMembersCtrl js  gt  lt  script gt

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med s second point was my pitfall but just for the record  maybe it s helping someone somewhere   I had the same problem and just before I went nuts I discovered that I had forgotten to include my controller script   As my app is based on ASP Net MVC I decided to keep myself sane by inserting the following snippet in my App Start BundleConfig cs  bundles Add new ScriptBundle    app   Include                     app app js                      app controllers   js                      app services   js        and in Layout cshtml   lt head gt          Scripts Render    app        lt  head gt    Now I won t have to think about including the files manually ever again  In hindsight I really should have done this when setting up the project

User · Answer

I got sane error with LoginController  which I used in main index html  I found two ways to resolve    setting  controllerProvider allowGlobals    I found that comment in Angular change-list  this option might be handy for migrating old apps  but please don t use it in new ones   original comment on Angular  app config    controllerProvider   function  controllerProvider          controllerProvider allowGlobals            wrong contructor of registering controller   before  LoginController  inject      rootScope     scope     location      now  app controller  LoginController      rootScope     scope     location   LoginController       app  come from app js  var MyApp       var app   angular module  MyApp      app services     var services   angular module  app services     ngResource    ngCookies    ngAnimate    ngRoute

User · Answer

Remove the    from the name   myApp   of module  angular module  myApp         And add ng-app  myApp  to the html and it should work

User · Answer

Some times this error is a result of two ng-app directives specified in the html  In my case by mistake I had specified ng-app in my html tag and ng-app  myApp  in the body tag like this    lt html ng-app gt     lt body ng-app  myApp  gt  lt  body gt   lt  html gt

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In my case it was a simple typo in index html     lt script src  assets javascript controllers questionssIndexController js  gt  lt  script gt    that should have been   lt script src  assets javascript controllers questionsIndexController js  gt  lt  script gt    without the extra s in the controller s name

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Could it be as simple as enclosing your asset in     and whatever needs quotes on the inside with        lt link rel  stylesheet  media  screen  href   routes Assets at  stylesheets main css    gt    becomes   lt link rel  stylesheet  media  screen  href   routes Assets at  stylesheets main css    gt    That could be causing some problems with parsing

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To fix this problem  I had to discover that I misspelled the name of the controller in the declaration of Angular routes    when   todo                templateUrl   partials todo html               controller   TodoCtrl

User · Answer

I have encountered the same problem and in my case it was happening as a result of this problem   I had the controllers defined in a separate module  called  myApp controllers   and injected to the main app module  called  myApp   like this   angular module  myApp     myApp controllers      A colleague pushed another controller module in a separate file but with the exact same name as mine  i e   myApp controllers    which caused this error  I think because Angular got confused between those controller modules  However the error message was not very helpful in discovering what is going wrong

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Turns out it s the Cache of the browser  using Chrome here  Simply check the  Disable cache  under Inspect  Element  solved my problem

User · Answer

If you are in a submodule  don t forget to declare the module in main app  ie      lt scrip gt  angular module  mainApp     subModule1    subModule2      angular module  subModule1       controller  MyController      scope   function  scope           scope moduleName    subModule1            lt  script gt       lt div ng-app  mainApp  gt      lt div ng-controller  MyController  gt      lt span ng-bind  moduleName  gt  lt  span gt   lt  div gt    If you don t declare subModule1 in mainApp  you will got a   ng areq  Argument  MyController  is not a function  got undefined

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In my case  having an overview page and an  add  page  I got this with my routing setup like below  It was giving the message for the AddCtrl that could not be injected      routeProvider    when            redirectTo    overview                when   overview         templateUrl   partials overview html       controller   OverviewCtrl          when   add         templateUrl   partials add html       controller   AddCtrl          otherwise       redirectTo    overview          Because of the when     route all my routes went to the overview and the controller could not be matched on the  add route page rendering  This was confusing because I DID see the add html template but its controller was nowhere to be found   Removing the    -route when case fixed this issue for me

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I had the same error with a big mistake   appFormid controller  TreeEditStepControlsCtrl     scope  function  scope           You see   i forgot the    around the first  scope  the right syntax is of course   appFormid controller  TreeEditStepControlsCtrl      scope   function  scope           A first error i didn t see immediatly was    scope is not defined   followed by  Error   ng areq  Argument  TreeEditStepControlsCtrl  is not a function  got undefined

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This seriously took me 4 HOURS  including endless searches on SO  but finally I found it  by mistake  unintentionally  I added a space somewhere   Can you spot it   angular module  bwshopper signup   controller  SignupCtrl    SignupCtrl    So     4 hours later I saw that it should be   angular module  bwshopper signup   controller  SignupCtrl   SignupCtrl    Almost impossible to see with just the naked eye   This stresses the vital importance of revision control  git or whatever  and unit regression testing

[angularjs] Error: Argument is not a function, got undefined

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