JSJ 315: The effects of JS on CSS with Greg Whitworth

JavaScript Jabber


  • AJ O’Neal
  • Aimee Knight

Special Guests: Greg Whitworth

In this episode, the JavaScript Jabber panelists discuss the effects of JavaScript on CSS with Greg Whitworth. Greg works on Microsoft EdgeHTML, specifically working on the Microsoft Layout team, is on the CSS working group, and is involved with the Houdini task force. They talk about JS engines and rendering engines, what the CSSOM is, why it is important to understand the rendering engine, and much more!

In particular, we dive pretty deep on:

  • Greg intro
  • What is the Houdini task force?
  • Extensible web manifesto
  • DOM (Document Object Model)
  • Layout API
  • Parser API
  • Babel
  • jQuery
  • Back to basics
  • JavaScript engine and rendering engine
  • What is the CSSOM?
  • Every browser has its separate JS engine
  • Browsers perspective
  • Aimee ShopTalk Podcast Episode
  • Why is it important to understand how the rendering engine is working?
  • Making wise decisions
  • Give control back to browser if possible
  • When you would want to use JavaScript or CSS
  • Hard to make a hard or fast rule
  • CSS is more performant
  • Overview of steps
  • And much, much more!







Audio Player