22 lines
693 B
JavaScript
22 lines
693 B
JavaScript
//
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// The Promise.all() function accepts an array of promise
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// instances and returns a new promise which is fulfilled
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// once all the promises in the array are fulfilled or
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// rejected as soon as any of the promises in the array
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// are rejected.
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//
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// The Promise.race() function accepts an array of promise
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// instances and is fulfilled or rejected as soon as one of
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// the promises in the array is fulfilled or rejected.
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//
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var p1 = new Promise((resolve, reject) => {
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setTimeout(resolve, 2000, 'first')
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})
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var p2 = new Promise((resolve, reject) => {
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setTimeout(resolve, 3000, 'second')
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})
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Promise.all([p1, p2]).then(console.log)
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Promise.race([p1, p2]).then(console.log) |