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JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Promises All / 186

JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Promises All / 186

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The lecture explains how to use Promise.all in JavaScript to handle multiple promises simultaneously. It covers creating promises for Twitter and Instagram profiles, using resolve and reject, and demonstrates how Promise.all can be used to execute these promises together. The timing and execution behavior of Promise.all is discussed, with practical examples and console logs to illustrate the concept.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how promises are created in the provided lecture.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the role of resolve and reject in a promise.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of using Promise.all in JavaScript?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens when multiple promises are resolved using Promise.all?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the array passed to Promise.all?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the timing of promises affect the output when using Promise.all?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

In the context of the lecture, how can you change the order of promises and what effect does it have?

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