The Front-End Web Developer Bootcamp - HTML, CSS, JS, and React  - The isArray Method

The Front-End Web Developer Bootcamp - HTML, CSS, JS, and React - The isArray Method

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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The video tutorial explains the JavaScript isArray method, which checks if a given value is an array. It demonstrates how to use this method with variables and shows the output for both array and non-array data types. The tutorial also covers using conditional statements to execute code based on whether a value is an array.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the isArray method determine about a given value?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the isArray method indicate whether a value is an array or not?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens when you pass a number to the isArray method?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how you can use an if-else statement with the isArray method.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What output do you get when the isArray method is used on a non-array value?

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