Rxjs
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/rxjs/5.3.0/Rx.js"></script>JavaScript
const observable = Rx.Observable.fromPromise(fetch('https://jsonplaceholder.typicode.com/posts/2'));
const observer = {
next (...args) {
console.error('value', ...args);
},
error (...args) {
console.error('error', ...args);
},
complete (...args) {
console.error('complete', ...args);
}
};
const subscription = observable.subscribe(observer);