joinUp command
The joinUp command joins the selected block, or if there is a text selection, the closest ancestor block of the selection that can be joined, with the sibling above it. See also
Use the joinUp command
editor.commands.joinUp()
The joinUp command joins the selected block, or if there is a text selection, the closest ancestor block of the selection that can be joined, with the sibling above it. See also
editor.commands.joinUp()