Please explain how you are getting data from student.js file to student_report.js file?

I had the same question, and here's what I think is going on... I think that you don't have to import students.js because the place where this code is actually running is the index.html file. When you run index.html, you've already called the students.js file, so when student_report.js runs, you've got students.js in memory, and the students array has already been loaded into memory, or at least its existence has been noted by your code. Your student_report.js code then has you calling for data in an array called students and knows there's one out there. If you were to call student_report.js before students.js, you would probably have problems. I think this also means that you could have a bunch of functions written in another .js file and you'd be able to call them as long as that file was called in the index.html file before the code where you try to use those functions.