What is the difference between null and undefined in JavaScript?

Can you explain the difference between null and undefined in JavaScript?

Sure! In JavaScript, 'null' is an intentional absence of any object value, while 'undefined' means a variable has been declared but not assigned a value.

Can you give me an example of when to use null?

Absolutely! You might use 'null' when you want to explicitly indicate that a variable should have no value, like when initializing an object.

What about undefined? When does that occur?

'Undefined' occurs when a variable is declared but not assigned a value, or when a function doesn't return a value.

Are there any differences in how they are treated in comparisons?

Yes! In loose equality (==), null and undefined are considered equal, but in strict equality (===), they are not.