Element: beforescriptexecute event
Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
Warning: 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.
It is a proprietary event specific to Gecko (Firefox).
Syntax
Use the event name in methods like addEventListener()
, or set an event handler property.
addEventListener("NameOfTheEvent", (event) => {});
onNameOfTheEvent = (event) => {};
Event type
A generic Event
.
Specifications
Not part of any specification.
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
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beforescriptexecute event |
Legend
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- Full support
- Full support
- No support
- No support
- Non-standard. Check cross-browser support before using.
See also
afterscriptexecute
event