In this section, we are going to see JavaScript/Typescript Programming Interview questions for Playwright Interviews

In the next Video, I will show you a 75 minutes video explaining all the important concepts thorougly on JavaScript

Below are the timestamps for the questions discussed :

00:21 - Can a JavaScript object hold a function as a property? Explain with an example.

03:28 - What are anonymous functions in JavaScript? Define their syntax and implementation.

07:22 - What is the difference between var, const, and let? Explain with an example.

16:26 - Where are the push, pop, slice, shift, and unshift methods used when accessing array elements?

23:19 - Is JavaScript Asynchronous? Prove with an example.

27:53 - What are callback functions in JavaScript?

38:09 - What are promises in JavaScript? Explain the difference between callback functions and promises with an example.

49:15 - Create an inheritance relationship between a parent and child class. Invoke the parent constructor from the child class. Create main.js to call parent class methods from a child class object.

55:21 - From the above code, explain how the super and these keywords help achieve the solution.

01:00:05 - What is the difference between == and ===?

01:03:32 - What is the difference between null and undefined in JavaScript?

01:06:36 - A classic programming interview question that involves using array methods (filter, map, reduce), and JavaScript objects.