1 function resolveAfter2Seconds() { 2 console.log(‘slow start at: ‘ + new Date().getSeconds()) 3 return new Promise(resolve => { 4 setTimeout(() => { 5 resolve(‘slow‘) 6 console.log(‘slow done at: ‘ + new Date().getSeconds()) 7 }, 2000 ) 8  }) 9 }10 function resolveAfter1Second() {11 console.log(‘fast start at: ‘ + new Date().getSeconds())12 return new Promise(resolve => {13 setTimeout(() => {14 resolve(‘fast‘)15 console.log(‘fast done at: ‘ + new Date().getSeconds())16 }, 1000 )17  })18 }19 var parallelPromise = function() {20 console.log(‘==PARALLEL WITH Promise.then== at: ‘ + new Date().getSeconds())21 resolveAfter2Seconds().then(message => console.log(message + " at: " + new Date().getSeconds()))22 resolveAfter1Second().then(message => console.log(message + " at: " + new Date().getSeconds()))23 }24 25 parallelPromise()

//

==PARALLEL WITH Promise.then== at: 49
slow start at: 49
fast start at: 49
fast done at: 50
fast at: 50
slow done at: 51
slow at: 51