I’ll translate the article into English, preserving its conversational tone and code exam...

I’ll translate the article into English, preserving its conversational tone and code examples.# Picture-in-Picture Technology for HTML5 Video Playback by zhangxinxu from https://www.zhangxinxu.com/wordpress/?p=8242 ## 1. First, a Little News Update Chrome 70 now natively support...

Code: Dispatching a CustomEvent

const event = new CustomEvent('show', {
  detail: { message: payload, sentAt: new Date().toLocaleTimeString() }
});

window.dispatchEvent(event);

Code: Listening for the Event Payload

window.addEventListener('show', (event) => {
  render(event.detail.message, event.detail.sentAt);
});