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Regular Event

A "regular event" is a very simple mechanism to bind an event listener to an element. The event listener is executed every time the event is triggered.

To construct the event listener, the module TYPO3/CMS/Core/Event/RegularEvent must be imported. The constructor accepts the following arguments:

  • eventName (string) - the event to listen on

  • callback (function) - the executed event listener when the event is triggered

new RegularEvent('click', function (e) {
  console.log('Clicked element:',;