1. DOM manipulation convenience methods

    jQuery-like methods on DOM nodes to insert nodes around or within a node, or to replace one node with another. These methods accept any number of DOM nodes or HTML strings as arguments. Includes: `ChildNode.before`, `ChildNode.after`, `ChildNode.replaceWith`, `ParentNode.prepend`, and `ParentNode.append`.

  2. Element.insertAdjacentElement() & Element.insertAdjacentText()

    Methods for inserting an element or text before or after a given element, or appending or prepending an element or text to a given element's list of children.

  3. CSS3 Text-overflow

    Append ellipsis when text overflows its containing element

  4. characterdata api: appenddata

  5. csskeyframesrule api: appendrule

  6. documentfragment api: append

  7. document api: append

  8. element api: append

  9. formdata api: append

  10. formdata api: append: `filename` parameter

  11. headers api: append

  12. medialist api: appendmedium

  13. node api: appendchild

  14. sharedstorage api: append

  15. sourcebuffer api: appendbuffer

  16. sourcebuffer api: appendbufferasync

  17. sourcebuffer api: appendbuffer: available in workers

  18. sourcebuffer api: appendwindowend

  19. sourcebuffer api: appendwindowend: available in workers

  20. sourcebuffer api: appendwindowstart

  21. sourcebuffer api: appendwindowstart: available in workers

  22. stylepropertymap api: append

  23. svglengthlist api: appenditem

  24. svgnumberlist api: appenditem

  25. svgpointlist api: appenditem

  26. svgstringlist api: appenditem

  27. svgtransformlist api: appenditem

  28. urlsearchparams api: append