Question

Why is checking for null a good practice javascript

Answer 1

Checking for null is a good practice in JavaScript because it helps prevent errors and avoids unexpected behavior in your code.

Step-by-step explanation:

Checking for null is a good practice in JavaScript because it helps prevent errors and avoids unexpected behavior in your code.

When a variable is not assigned a value, it is considered to be null. If you try to perform certain operations on a null variable, you may encounter errors.

By checking for null before using a variable, you can handle the situation gracefully and prevent your program from crashing or producing incorrect results.