angular is not defined In AngularJS

Why "angular is not defined" Error Occurs in AngularJS?

If you are working with AngularJS and you see the error message "angular is not defined" in your browser console or IDE, it means that AngularJS is not properly loaded or defined in your code.

There could be multiple reasons for this error, but some of the common ones are:

  • The AngularJS file is not included or loaded properly in your HTML code.
  • The AngularJS module is not defined or loaded properly in your JavaScript code.
  • There might be a conflict with other JavaScript libraries or plugins that are also using the "angular" variable.

How to Solve "angular is not defined" Error?

To solve this error, you need to make sure that AngularJS is properly loaded and defined in your code. Here are some ways to do it:

1. Include AngularJS File

You need to include the AngularJS file in your HTML code before you use it in your JavaScript code. You can download the latest version of AngularJS from their official website or use a CDN link to include it.

<script src="path/to/angular.js"></script>

2. Define AngularJS Module

You need to define the AngularJS module in your JavaScript code before you use it. You can define a module using the "angular.module()" method and give it a name and list of dependencies.

var myApp = angular.module('myApp', []);

3. Use NoConflict Mode

If you have a conflict with other JavaScript libraries or plugins that are also using the "angular" variable, you can use the noConflict() method to solve it. This method allows you to assign a new variable name to AngularJS and avoid conflicts.

var myAngular = angular.noConflict();

4. Check for Typos and Errors

Make sure that you have typed the variable names correctly and there are no syntax errors in your code. Sometimes, a simple typo or mistake can cause this error.


The "angular is not defined" error in AngularJS is a common issue that can be caused by multiple factors. By following the above steps, you can solve this error and debug your code more efficiently.

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