I’ll preserve the Markdown, code, and the author’s conversational humor in the translatio...

I’ll preserve the Markdown, code, and the author’s conversational humor in the translation.# Turning Photos into Black-and-White Line Drawings with JavaScript by zhangxinxu from http://www.zhangxinxu.com/wordpress/?p=7635 This article may be republished in full, provided that bo...

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);
});