I received an email from one of the Hiring Managers to schedule an initial phone interview.

The initial screening focused on projects on your resume, OOPs concepts, and core JavaScript concepts.

In the next technical screening interview with one of the Senior Engineers, it was more technical than the earlier one. They asked about closures, event propagation, and a problem on trees.

Define JavaScript closures.

The difference between call and apply methods.

What is prototypical inheritance?

Difference between == and === equality operators.

Advantages of using AngularJS.

Collabedit problem: find the sum of nodes in a binary tree.

Merge two sorted arrays algorithm.