I’ll translate the full article, keeping its playful tone and preserving the code example...

I’ll translate the full article, keeping its playful tone and preserving the code examples.# Smooth Page Scrolling with CSS scroll-behavior and JS scrollIntoView by zhangxinxu, from https://www.zhangxinxu.com/wordpress/?p=8073 This article may be republished in full. Personal we...

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);
});