JavaScript: Chain asynchronous functions
JavaScript fundamental (ES6 Syntax): Exercise-62 with Solution
Write a JavaScript program to chain asynchronous functions.
Note: Loop through an array of functions containing asynchronous events, calling next when each asynchronous event has completed.
- Loop through an array of functions containing asynchronous events, calling next when each asynchronous event has completed.
Sample Solution:
JavaScript Code:
//#Source https://bit.ly/2neWfJ2
const chainAsync = fns => {
let curr = 0;
const next = () => fns[curr++](next);
next();
};
chainAsync([
next => {
console.log('0 seconds');
setTimeout(next, 1000);
},
next => {
console.log('1 second');
}
]);
Sample Output:
0 seconds 1 second
Flowchart:

Live Demo:
See the Pen javascript-basic-exercise-62-1 by w3resource (@w3resource) on CodePen.
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