Can't use require in javascript

This usually happens because your JavaScript environment doesn't understand how to handle the call to require() function you defined in your code. Here are some known causes for this error: Using require() in a browser without RequireJS. Using require() in Node.

Require is built-in with NodeJS With require , you can include them in your JavaScript files and use their functions and variables. However, if you are using require to get local modules, first you need to export them using module.

It is not deprecated.

To include the Require. js file, you need to add the script tag in the html file. Within the script tag, add the data-main attribute to load the module. This can be taken as the main entry point to your application.