Every JavaScript beginner will face this question at least once:

freeCodeCamp is a nonprofit organization offering free online coding courses and programming tutorials, covering topics such as web development, data science, and machine learning. Learners can gain practical coding skills, build real-world projects, and earn certifications to advance their careers in tech.

freeCodeCamp

TAPAS ADHIKARY. JavaScript Callback Function –Explained in Plain English. Back to the page you came from. Use the weekly Newsquiz to test your knowledge of stories you saw on CNN.com. Today's Daily Discussion includes questions and answers about stories from around the world. Visit CNN.co.uk/newsquiz for more information.