JS Fiddles, Code Pens and others
Use keyboard cursors to move up and down between div´s
http://jsfiddle.net/eqrNT/166/
Airplane taking off with CSS and jQuery
https://jsfiddle.net/xpvt214o/131973/
Done for a landing page for TAP Corporate
Sticky footer only using flex
https://codepen.io/anon/pen/NMBRyY
SVG logo 360 rotation:
https://codepen.io/anon/pen/qyWYaO
Copy to clipboard done in React
https://jsfiddle.net/tuzb1h2q/9/
Adjust content to fit on div done in react ( vertical + horizontal UL )
https://jsfiddle.net/2jozr3m9/115/
Expand / Collapse done in React
https://jsfiddle.net/n5u2wwjg/146775/
Responsive Tables done in React
https://jsfiddle.net/0zb3fwg8/175/
Scrollable tabs
https://jsfiddle.net/ovkje2gy/
Crossed vertical tables to horizontal tables
https://codepen.io/anon/pen/zJbaEL
Pure CSS chevrons / arrows with rhombus shape (not square)
http://jsfiddle.net/8R4ym/1100/
CSS Gradients to transparent ( safari is the new IE.. )
https://codepen.io/anon/pen/OaMKRL
Headings with centered SVG icons using before and after pseudo-classes
https://jsfiddle.net/w9k0ov3b/46/
Remove Internet Explorer 11 amazing button pressed effect
https://jsfiddle.net/ob15atsy/4/
Cancel fetch request with AbortController()
https://jsfiddle.net/a6Ltos1z/29/
Firefox tables missing borders bug
https://jsfiddle.net/rdq8aw56/
Pagination component done in React
https://codesandbox.io/s/187313392j
CSS :focus-within dropdown menu
https://codepen.io/anon/pen/vMEeMK
CSS responsive circles
https://jsfiddle.net/qfj2hvdL/
React Router - listen to changes
https://codesandbox.io/s/8n3pyjx6q8
Custom input checkbox (works on IE11)
https://jsfiddle.net/k5r1dwpg/246/
REGEX check if text contains nothing or white space before
https://regex101.com/r/Uqh22W/2/
Open android app or playstore from browser
https://codesandbox.io/s/n42onj03op
React Router with stateless components to avoid reload / unmount
https://codesandbox.io/s/4wx61mpy70
SVG loader - works even in IE11! :O no need for transform-origin!
https://jsfiddle.net/mw39qdfc/83/
Workaround for IE11 flex align center with min-height
https://jsfiddle.net/jyvr6knp/271/
Switch between input of type date / text to have placeholders (date type does not have placeholders attribute)
https://codesandbox.io/s/w6v2r64w75
Lazy load javascript modules
https://codesandbox.io/s/clever-wind-b7vt2
SVG symbols and CSS variables and animations
https://jsfiddle.net/2kLynsz9/200/
My FizzBuzz
https://jsfiddle.net/n8ykowr1/14/