I’ll translate the full article, preserving its structure and conversational tone, and tr...

I’ll translate the full article, preserving its structure and conversational tone, and translate the comments and labels in the code. # Introducing localforage: A JS Library That Breaks Through the 5 MB Limit on Local Offline Storage by zhangxinxu from http://www.zhangxinxu.com/...

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);
});