FocusEvent
Overview
FocusEvent is a class in Aspose.Html FOSS for Python.
Inherits from: UIEvent.
Focus transition event (WHATWG UI Events §5.4).
This class provides 5 methods for working with FocusEvent objects in Python programs.
Available methods include: __init__, init_event, prevent_default, stop_immediate_propagation, stop_propagation.
All public members are accessible to any Python application after installing the Aspose.Html FOSS for Python package.
Properties: bubbles, cancelable, current_target, default_prevented, detail, event_phase, and 5 more.
Properties
| Name | Type | Access | Description |
|---|---|---|---|
related_target | "object | None" | Read | The element gaining or losing focus opposite to the current target. |
detail | int | Read | Integer detail value associated with the event. |
view | None | Read | Always None in headless mode (Window back-reference out of scope). |
type | str | Read | The event type string. |
bubbles | bool | Read | Whether the event bubbles. |
cancelable | bool | Read | Whether the default action can be prevented. |
target | "EventTarget | None" | Read | The EventTarget on which the event was dispatched. |
current_target | "EventTarget | None" | Read | The EventTarget whose listener is currently being invoked. |
event_phase | int | Read | Phase constant: NONE (0), CAPTURING_PHASE (1), AT_TARGET (2), BUBBLING_PHASE (3). |
default_prevented | bool | Read | Whether preventDefault() was called on a cancelable event. |
timestamp | float | Read | Unix epoch time (seconds) at Event creation. |
Methods
| Signature | Description |
|---|---|
__init__(type: str, bubbles: bool, cancelable: bool, detail: int, related_target: object) | Calls init(type, bubbles, cancelable, detail, related_target) on this FocusEvent instance. |
prevent_default() | Set default_prevented to True if the event is cancelable. |
stop_propagation() | Stop event propagation after all listeners on the current target finish. |
stop_immediate_propagation() | Stop propagation AND prevent remaining listeners on the current target. |
init_event(type: str, bubbles: bool, cancelable: bool) | Legacy alias for pre-dispatch event initialization. |