JSFiddle - React, Tailwind, and code Playground

by Jerry Hong

HTML

<script src="https://unpkg.com/@reactivex/[email protected]/dist/global/Rx.umd.js"></script>

CSS

html, body {
  height: 100%;
}

JavaScript

/*
var handler = (e) => {
	console.log(e);
	document.body.removeEventListener('click', handler); // 結束監聽
}

// 註冊監聽
document.body.addEventListener('click', handler);
*/

Rx.Observable
	.fromEvent(document.body, 'click') // 註冊監聽
	.take(1) // 只取一次
	.subscribe(console.log);