JavaScript Mastery from Zero to Hero - Prepare for Coding Interviews - Exercise Solution - What Is Concatenating in Java

The video tutorial introduces the concept of concatenation in JavaScript, explaining how to combine strings using both the plus operator and the built-in concat method. It provides examples to illustrate these methods and briefly introduces functions, highlighting their importance in reusing code. The tutorial emphasizes the power and utility of concatenation and methods in JavaScript programming.

What is a function in JavaScript, and how does it relate to methods?

Why is it beneficial to use functions in programming?

What are the inputs and outputs of a function, and how do they work?