Quick JavaScript Crash Course - Modern and Advanced JavaScript - Introduction-Variables And Scoping

Quick JavaScript Crash Course - Modern and Advanced JavaScript - Introduction-Variables And Scoping

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Quizizz Content

FREE Resource

This video tutorial covers new JavaScript features related to variable creation and scope. It begins with a discussion on the traditional method of object creation using the WAR keyword and its associated problems. The tutorial then explores the use of 'let' and 'construction' keywords, explaining when each should be used. Finally, it introduces the new 'global disk' keyword in JavaScript.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the concept of scope in JavaScript.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How did object creation in old JavaScript differ from the current methods?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the problems associated with using the 'var' keyword in JavaScript?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the differences between 'let' and 'const' in JavaScript.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the 'globalThis' keyword introduced in JavaScript?

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