1. Scroll methods on elements (scroll, scrollTo, scrollBy)

    Methods to change the scroll position of an element. Similar to setting `scrollTop` & `scrollLeft` properties, but also allows options to be passed to define the scroll behavior.

  2. element api: scrollby: `options.behavior` parameter

  3. element api: scrollto: `options.behavior` parameter

  4. element api: scroll: `options.behavior` parameter

  5. window api: scrollby: `options.behavior` parameter

  6. window api: scrollto: `options.behavior` parameter

  7. window api: scroll: `options.behavior` parameter