DiviAreaItem.addActionOnce(hook, callback, priority, context)
Same as DiviAreaItem.addAction()
but the callback is unhooked again when the action is called the next time. This function ensures, that the callback is only invoked once.
Params
hook
- The hook name, without an area-suffix.
callback
- The callback function.
priority
- Hook priority.
Default: 10 context
- The callback context.
Default: <code>window</code>
Returns
The function does not return anything.
Notes
No notes