web api event
Document: beforescriptexecute event
The beforescriptexecute event fires when a static <script> is about to start executing. It does not fire if the element is added dynamically, such as with appendChild().
Syntax
Use the event name in methods like addEventListener(), or set an event handler property.
addEventListener("beforescriptexecute", (event) => { })
onbeforescriptexecute = (event) => { }
Event type
A generic Event.
Examples
function starting(e) {
logMessage(`Starting script with ID: ${e.target.id}`);
}
document.addEventListener("beforescriptexecute", starting);
// or
document.onbeforescriptexecute = starting;
Specifications
Not part of any specification.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.
See also
afterscriptexecuteevent ofDocumentcurrentScript