Frontend Web Development Bootcamp - Build a Twitter Clone - Arrow Functions

The video tutorial introduces arrow functions in JavaScript, a feature of ES6 aimed at reducing code length. It explains how to create function expressions and transform them into arrow functions for more concise code. The tutorial covers using arrow functions with different numbers of parameters, including none, and highlights the syntax changes involved. While arrow functions offer brevity, they may initially be harder to read, but practice can alleviate this challenge.

Discuss the implications of using parentheses with parameters in arrow functions.

What happens if you try to use an arrow function without parameters? Provide an example.