

Today's exception is, without a doubt, the error most people have experienced: System.NullReferenceException. These articles will help you become better at debugging JavaScript issues.Time for another post in the series Debugging common.

If you still see the error, then make sure that you are using. To solve the issue, remove the "type": "module" from your package.json file. Instead of require(), you need to use the import/export syntax. The module type is used to make Node treat. addEventListener ( "DOMContentLoaded", function () RequireJS Tutorial My Sample Project document. This means the browser won’t know what you mean with the require() call in your code.īut require() is actually not needed because browsers automatically load all the files you added to your HTML file.įor example, suppose you have a lib.js file with the following code: The JavaScript require() function is only available by default in Node.js environment. Let’s see how to fix the error from the browser first. Fix require is not defined on server-side.Fix require is not defined in a browser.This tutorial will help you solve this error. Using require() in Node.js with type: module defined in your package.json file.Using require() in a browser without RequireJS.Here are some known causes for this error: This usually happens because your JavaScript environment doesn’t understand how to handle the call to require() function you defined in your code.

Uncaught ReferenceError : require is not defined Const axios = require ( "axios" ) // 👇 error
