- Type: boolean
- Allows the contents of individual cells in the column to be changed, especially useful when
<treecol type="checkbox">. Also useful for disabling editing of individual treecells. When the user double-clicks an editable cell, a text field appears in which the user can edit the contents of the cell.
treecolmust also be marked as editable in order for this to work. The tree must be a content tree for this to work on treecells.