Modern JavaScript from the Beginning - Second Edition - Callbacks

Modern JavaScript from the Beginning - Second Edition - Callbacks

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

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This video tutorial covers the concept of callbacks in JavaScript, including their use in event listeners and asynchronous programming. It explains common mistakes when using callbacks and demonstrates how to create and fetch posts using callbacks to handle asynchronous operations. The tutorial concludes with an introduction to making HTTP requests, setting the stage for further exploration of network programming in JavaScript.

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10 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of the 'addEventListener' method in relation to callbacks?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is a callback function and how is it used in JavaScript?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens if you pass a callback function with parentheses?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the difference between synchronous and asynchronous callbacks.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the event loop handle asynchronous callbacks?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you create a simple array of posts in JavaScript?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how the 'setTimeout' function works with callbacks.

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