Promises Chaining (Sequences)

promisesChaining.js

/**
 * Promises Chaining
 */

(function () {
    var promises = [
        () => Promise.resolve('1st'),
        () => Promise.resolve('2nd'),
        () => Promise.resolve('...'),
        () => Promise.resolve('n'),
    ];
    
    /**
     * Chaining promises, start with empty promise
     */
    var chainedPromise = promises.reduce((prev, f) => prev.then(f), Promise.resolve('Start'));
    
    /**
     * Catch Fails
     */
    chainedPromise.catch(console.log.bind(console));
    
}());