This event was a proposal in an early version of the specification. Do not rely on it.
The beforescriptexecute event is fired when a script is about to be executed. Cancelling the event prevents the script from executing.
General info
- Specification
- HTML 5.1 (removed)
- Interface
- Event
- Bubbles
- Yes
- Cancelable
- Yes
- Target
- defaultView, Document, Element
- Default Action
- None
Properties
| Property | Type | Description |
|---|---|---|
target Read only |
EventTarget |
The event target (the topmost target in the DOM tree). |
type Read only |
DOMString |
The type of event. |
bubbles Read only |
Boolean |
Whether the event normally bubbles or not. |
cancelable Read only |
Boolean |
Whether the event is cancellable or not. |
Browser compatibility
We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | No support | 4.0 (2.0) | ? | ? | No support |
| Feature | Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|
| Basic support | No support | 4.0 (2.0) | ? | ? | No support |