Quick JavaScript Crash Course - Modern and Advanced JavaScript - Default Operators

The video tutorial covers the use of REST and spread operators in JavaScript, highlighting their individual and combined functionalities. It then introduces the concept of default parameters, explaining how parameters default to undefined in JavaScript. With the advent of ES6, developers can now set default values for parameters, ensuring that functions use these defaults when no value is provided, rather than defaulting to undefined.

What are default parameters in JavaScript?

What is the default value of parameters in JavaScript before ES6?

Explain the significance of default parameters introduced in JavaScript ES6.

How can you override the default value of a parameter in a function?

What happens if a function does not receive any value for its parameters?