`mce-inview`

[allenhwkim]

• template from user

  • https://html.spec.whatwg.org/multipage/scripting.html#the-template-element

• IntersectionObserver options

  • root="#my-el", string, css selector
  • root-margin="5%", string
  • threshold=".1,.2,.3,.4", comma separated numbers

• Output

  • inview="foo(event)"
  • notInview="bar(event)"