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@jasonweng
Created March 14, 2018 07:19
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Front end interview tests
var p1=new Promise(resolve => {
console.log(1)
resolve(2)
})
var p2=new Promise(resolve => {
console.log(3)
resolve(p1)
})
p1.then(re => {
console.log(re)
})
p2.then(re => {
console.log(re)
})
/*===============================
1
3
2
2
Promise {<resolved>: undefined}
=================================*/
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