Retrieve the last active editor (the editor that was last given focus) using
// Retrieve the last editor used
var activeEditor = textboxio.getActiveEditor();
The last active editor instance.
- If no editor is active: returns the editor last given focus.
- If no editors have been focused: returns the first editor created.
- If no editor has been created: returns null.
- If the active editor is removed: returns null until another editor is given focus.