How to Build threex-armarkerhelper.js for AR.js

To build the threex-armarkerhelper.js file, you need to follow these steps:

1. Install Node.js: Download and install Node.js from the official website (https://nodejs.org).

2. Navigate to the Project Folder: Open a command prompt or terminal and navigate to the folder where you have the threex-armarkerhelper.js file. In your case, it's 'C:\Users\Sajadfa\thr'.

3. Initialize a Node.js Project: Run the following command to initialize a new Node.js project:

npm init -y

4. **Install Dependencies:** Install the required dependencies by running:

npm install

5. **Build the File:** Build the threex-armarkerhelper.js file with this command:

npm run build

6. **Find the Built File:** After the build process completes, the threex-armarkerhelper.js file should be available in the 'dist' or 'build' folder within your project directory.

Now you should be able to use the threex-armarkerhelper.js file in your project without encountering the 'import statement' error.