Modern JavaScript from the Beginning - Second Edition - Array Method Challenges

Modern JavaScript from the Beginning - Second Edition - Array Method Challenges

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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The video tutorial covers array methods in JavaScript, focusing on filter, map, and reduce functions. It presents three challenges: filtering and mapping an array of people to extract specific data, summing positive numbers from an array, and capitalizing the first letter of words in an array. The tutorial emphasizes understanding these fundamental concepts before moving on to more advanced topics like DOM manipulation.

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4 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of the reduce method in the context of summing numbers?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the goal of the third challenge regarding the words array?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you capitalize the first letter of each word in the words array?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of understanding array methods before moving on to the document object model?

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