Capitalize first letter of each word in JS

Question

I\'m learning how to capitalize the first letter of each word in a string and for this solution I understand everything except the word.substr(1) portion. I see that it\'s a

Answer 1

Consider an arrow function with an implicit return:

word => `${word.charAt(0).toUpperCase()}${word.slice(1).toLowerCase()}` 

This will do it in one line.