Logo - Albert Walicki

Problems and Solutions

Short solutions for real-life frontend problems, divided into a few categories.

JAVASCRIPT

How to change element's class with Javascript?

Short cheatsheet for adding, removing and toggling css classes

CSS

Extra space below image

One of the most common problems that almost every junior frontend developer had

HTML

How to create a tooltip in HTML and CSS?

Two easy ways to create tooltip, without javascript.

Logo - Albert Walicki

Hello, i’m Albert Walicki. i’m a frontend developer and cofounder of development & design agency Hype4 and education platform Hype4 Academy. I wrote a book for Junior Frontend developers called Frontend Unicorn.

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