JSFiddle - React, Tailwind, and code Playground

by SO_AMK

CSS

body {
    margin: 0;
    padding: 8px;
    min-height: 100vh;
    box-sizing: border-box;
}

JavaScript

const promise = new Promise(function(resolve, reject) {
	var result = 1;

	// This could also be a web request, or anything else either synchronous or asynchronous
	setTimeout(function() {
		result += 10;

		resolve(result);
	}, 1000);

	document.body.addEventListener("click", function clickHandler() {
		document.body.removeEventListener("click", clickHandler);

		reject("You clicked");
	});

	document.body.innerText = "Working... Click anywhere to reject the promise with an error.";
});

promise.then(function(value) {
	document.body.innerText = "Everything went fine! The Promise resolved with: " + value;
}).catch(function(error) {
	document.body.innerText = "Something went wrong: " + error;
});