opera.removeEventListener()

Description:

Removes an existing listener from an event.

Parameters:

• type: The type of event. See addEventListener for the list of possible event types.
• listener : The object that the listener was attached to.
• useCapture: Which phase the listener was assigned to.

Syntax:

void removeEventListener (<DOMString> type, <EventListener> listener, UseCapture)

Example:

var myFunc = function(userJSEvent) {
  userJSEvent.element.text = userJSEvent.element.text.replace(/function\s+window\.onload\(/g, 'window.onload = function(');
};
opera.removeEventListener('BeforeScript', myFunc, false);