1. Document.execCommand()

    Allows running commands to manipulate the contents of an editable region in a document switched to designMode

  2. document api: execcommand

  3. document api: execcommandshowhelp

  4. document api: execcommand: `clearauthenticationcache` command

  5. document api: execcommand: `copy` command

  6. document api: execcommand: `cut` command

  7. document api: execcommand: `defaultparagraphseparator` command

  8. document api: execcommand: `insertbronreturn` command