What are some tips for obtaining more detailed error information in Angular?

When using Chrome, I am only seeing this error message without any additional information:

What does this mean? What caused it? Is there a way to get Angular or Chrome to provide more detailed error messages?

Below is the content of my app.js file. No other files are included:

'use strict';


// Declare app level module which depends on filters, and services

var vsApp = angular.module('vsApp', [
    'ngRoute',
    'vsApp.filters',
    'vsApp.services',
    'vsApp.directives',
    'vsApp.controllers'
]);

vsApp.config(["$routeProvider"], function($routeProvider) {
    $routeProvider.when('/registration', {templateUrl: 'partials/reg.html', controller: 'regCtrl'});
    $routeProvider.when('/login', {templateUrl: 'partials/login.html', controller: 'loginCtrl'});
    $routeProvider.otherwise({redirectTo: '/'});
});

vsApp.controller("regCtrl", function() {});
vsApp.controller("loginCtrl", function() {});

Including the ng-app attribute:

<!DOCTYPE html>
<html ng-app="vsApp">

The <head> section of my HTML:

<script id="angularScript" src="/bower_components/angular/angular.js"></script>
<script src="/bower_components/angular-route/angular-route.js"></script>
<script src="/assets/js/app.js"></script>

UPDATE:

Protractor provided additional details:

   Message:
     UnknownError: unknown error: [$injector:modulerr] Failed to instantiate module vsApp due to:
Error: [ng:areq] Argument 'fn' is not a function, got string
http://errors.angularjs.org/1.3.0-build.2795+sha.222d473/ng/areq?p0=fn&p1=not%20a%20function%2C%20got%20string
    at http://localhost:3000/bower_components/angular/angular.js:78:12
    at assertArg (http://localhost:3000/bower_components/angular/angular.js:1583:11)
    at assertArgFn (http://localhost:3000/bower_components/angular/angular.js:1593:3)
    at annotate (http://localhost:3000/bower_components/angular/angular.js:3318:5)
    at Object.invoke (http://localhost:3000/bower_components/angular/angular.js:3986:21)
    at runInvokeQueue (http://localhost:3000/bower_components/angular/angular.js:3915:35)
    at http://localhost:3000/bower_components/angular/angular.js:3924:11
    at Array.forEach (native)
    at forEach (http://localhost:3000/bower_components/angular/angular.js:320:11)
    at loadModules (http://localhost:3000/bower_components/angular/angular.js:3905:5)

Answer №1

I'm unsure how to access more detailed error messages. It doesn't seem feasible. However, it appears there may be a syntax error present:

vsApp.config(["$routeProvider", function($routeProvider) {
   /* note the [ ] */
}]);

This is because you are using annotated dependency injection, similar to what is shown in the documentation: https://docs.angularjs.org/guide/providers#providers_provider-recipe

myApp.config(["unicornLauncherProvider", function(unicornLauncherProvider) {
  unicornLauncherProvider.useTinfoilShielding(true);
}]);

I attempted to replicate your error message but I only received helpful error messages. Refer to http://jsfiddle.net/CE6j9/1/

Uncaught Error: [$injector:modulerr] Failed to instantiate module vsApp due to:
Error: [ng:areq] Argument 'fn' is not a function, got string
... (error details)

Perhaps something else was causing issues? The bottom half of errors with line numbers appeared when I clicked on the arrow. Could it possibly be incorrect settings in Chrome?

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