Very nice and interesting

Thank you very much! I get to understand how to use array iterator methods and how it works

Thank you very much sir . I am a student and following you to learn basics of web development and I feel its a masterpiece for every learners . Really you're doing great sir. Such a brilliant explanation . And I feel very much confident after learning your concepts .

Great Article. Thanks for sharing. Following is my suggestion

We can even calculate the amount spent by married couples without using map function (directly use customer in reduce function)

const total = customers .filter(customer => customer.married) .reduce((accum,customer) => accum + customer.expense);

Great article, thanks for helping break down the barriers to functional programming. It looks really clean!

How do you create the beautiful muscle graphic

Nice Article .. Great way of explanation. :)