from
RxJS 5 from
by Echyzen
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/rxjs/6.2.1/rxjs.umd.js"></script>
<script src="https://rawgit.com/eu81273/jsfiddle-console/master/console.js"></script>
JavaScript
const source$ = rxjs.from([
{name: 'Joe', age: 30, job: {title: 'Developer', language: 'JavaScript'}},
//will return undefined when no job is found
{name: 'Sarah', age:35}
])
//grab title property under job
const example$ = source$.pipe(rxjs.operators.pluck('job', 'title'))
//output: "Developer" , undefined
const subscribe = example$.subscribe(val => console.log(val))