What is the difference between == and === in JavaScript?

What is the difference between == and === in JavaScript?

In JavaScript, '==' is the equality operator that checks for value equality, while '===' checks for both value and type equality.

Can you give me an example of how they work?

Sure! For example, '5 == "5"' returns true because it converts the string to a number, but '5 === "5"' returns false because they are of different types.

When should I use === instead of ==?

It's best to use '===' to avoid unexpected type coercion and ensure that both value and type match.

Are there any exceptions to this rule?

Generally, it's a good practice to use '===' unless you specifically need type coercion, but be cautious with null and undefined.