The Front-End Web Developer Bootcamp - HTML, CSS, JS, and React - Concat and Join Methods

The video tutorial explains the concat and join methods in JavaScript. The concat method is used to merge multiple arrays into one, while the join method is used to join array elements into a string, removing commas. The tutorial provides examples of how to use these methods, including creating arrays, merging them with concat, and formatting them with join. The video concludes with a summary of the methods' functionalities.

Explain how to merge two arrays using the concat method.

What is the effect of using the join method on an array?