How to simulate keypress in iframe?

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// Get the iframe element
var iframe = document.getElementById('myIframe');

// Get the window object of the iframe
var iframeWindow = iframe.contentWindow;

// Get the element within the iframe on which you want to simulate the keypress
var targetElement = iframeWindow.document.getElementById('inputElement');

// Create a new KeyboardEvent with the desired key and options
var keyEvent = new KeyboardEvent('keydown', {
  key: 'a',
  code: 'KeyA',
  keyCode: 65,
  bubbles: true
});

// Dispatch the KeyboardEvent to the target element
targetElement.dispatchEvent(keyEvent);