Explain why the following doesn't work as an IIFE: "function foo(){ }();". What needs to be changed to properly make it an IIFE?
Abdullah Al Numan
Posted on July 21, 2022
anewman15
In JavaScript, what's the difference between a variable that is: null, undefined and undeclared?
Abdullah Al Numan
Posted on July 21, 2022
Interview Question: Explain how `this` works in JavaScript [in 3 mins].
Abdullah Al Numan
Posted on July 20, 2022
What is NaN in JavaScript? What is its type? How can you reliably test if a value is equal to NaN?
Abdullah Al Numan
Posted on July 18, 2022
What is the significance, and what are the benefits, of including 'use strict' at the beginning of a JavaScript source file?
Abdullah Al Numan
Posted on July 18, 2022
What is the significance of, and reason for, wrapping the entire content of a JavaScript source file in a function block?
Abdullah Al Numan
Posted on July 17, 2022
Explain CSS sprites, and how you would implement them on a page or site.
Abdullah Al Numan
Posted on June 28, 2022
What's the difference between an inline and inline-block element in CSS?
Abdullah Al Numan
Posted on June 25, 2022
Describe floats in CSS and how they work.
Abdullah Al Numan
Posted on June 23, 2022
What does * { box-sizing: border-box; } do? What are its advantages?
Abdullah Al Numan
Posted on June 22, 2022
Explain your understanding of the Box Model and how you would implement different box models.
Abdullah Al Numan
Posted on June 22, 2022
What is CSS selector specificity and how does it work?
Abdullah Al Numan
Posted on June 22, 2022
Describe Block Formatting Context and how it works.
Abdullah Al Numan
Posted on June 21, 2022
What are some advantages of using semantic HTML?
Abdullah Al Numan
Posted on June 11, 2022
Join Our Newsletter. No Spam, Only the good stuff.
Sign up to receive the latest update from our blog.