Animating Progress

“How hard can it be?” (Famous last words.) The <progress> element has been in browsers for years. (Lea Verou worked on a polyfill back in 2011!) One might expect that after all these years, things are rock solid. Turns out, not much has changed over the years. It’s still a mess and the process of animating the <progress> element is… not at all smooth. Which browsers The goal from the outset was to