Javascript Engineer Interview Questions

Senior Javascript Developer

Interviewed at Sapphire Technologies

3.7★

Mar 3, 2023

I was asked about the frameworks I am comfortable with in JavaScript. Further called for technical round. Also asked about my projects mentioned in resume. Few questions on sql and queries.

Javascript Developer

Interviewed at Sky Recruitment

1★

Oct 17, 2023

My credit score and to enter it on an insecure website?

Javascript Developer

Interviewed at Geekyworks IT Solutions

3.3★

Jan 2, 2022

How much salary do u expect

Javascript Developer

Interviewed at Dassault Aviation

3.7★

Jul 6, 2022

Implement dialog box using pure html css

All about javascript and nodejs, no hard questions all intermediate

Javascript Engineer

Interviewed at Meebo

4.2★

Jul 12, 2010

Asked to implement a JSONP long pulling library

Javascript Engineer

Interviewed at Source Defense

4.3★

Aug 14, 2021

- what is the meaning of “async” or “defer” attributes on a script element? - does “async” script delay page rendering? - How would you write a script to know how many times the window.addEventListener was called? A: override the original function - How would you know if a script/function was overridden? - How would you bypass detection of overridden native functions? - How would you pass information from client to server - A: make a connection (xhr, websocket, image/script elements src attributes, background-image css rules, etc…) What is CSP? A: content security policy

JavaScript Engineer

Interviewed at Sourcebits Technologies

2.9★

Feb 1, 2013

Not one question about javascript for a javascript engineer position

Technical questions involved knowing Javascript and Node.js. This company is a startup. Hence, questions on being comfortable to work in a startup environment were also asked.

A small project to demonstrate your skills and critical thinking