30 Seconds of Interviews

title content


EASY
HTML

Which browsers support HTML5?

MEDIUM
HTML

How to insert a copyright symbol on a browser page?

HARD
HTML

What is the difference between span and div?

EASY
CSS

Why Use CSS?

MEDIUM
CSS

What is RWD?

HARD
CSS

How would you use media queries in a mobile-first approach?

EASY
JAVASCRIPT

Which company developed JavaScript?

MEDIUM
JAVASCRIPT

What is this keyword in JavaScript?

HARD
JAVASCRIPT

What is the difference between null & undefined?