
Advanced Promises
Authored by agustin kenny
Computers
Professional Development
Used 17+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si promiseA es rechazada con el valor: 'Error", que muesta el console.log?
promiseA .then((value) => console.log(value)) .then(null, (error) => console.log('hola'));
No muestra nada
Error
2
hola
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es posible encadenar promesas porque...
.then() retorna una promesa
.then() es recursiva
No se puede encadenar promesas
es un bug
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si promise A, es rachazada con el error "Error", que muestra el console.log?
promiseA .then(null, func1, func2, func3) .then() .then((value) => console.log(value))
Error
El resultado de func1
No muestra nada
El resultado de func3
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si `promiseA` se fullfilea con el valor '1', que muestra el console.log?
promiseA .then(null, func1, func2, func3) .then() .then((value) => console.log(value));
Null
1
El resultado de func1
undefined
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si promiseA resuelve, y nuevo Promesa resuelve al valor: 'Franco', qué muestra el console.log?
promiseA .then(() => nuevaPromesa) .then() .then((value) => console.log(value));
Franco
El valor de promiseA
undefined
nada
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si promiseA resuelve, pero nuevaPromesa es rechazada con el valor: 'Error'. Qué muestra el console.log?
romiseA .then(() => nuevaPromesa) .then() .then((value) => console.log(value));
Nada
Error
el valor de promiseA
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si promiseA es rechazada con el valor "Error A", y nuevaPromesa con el error: "Error B", que sale en el console.log?
promiseA .then(() => nuevaPromesa) .then() .then((value) => console.log('toni')) .catch((e) => console.log(e));
Undefined
toni
ErrorB
ErrorA
No sale nada
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