The Modern JavaScript Bootcamp (2019) - The Object Spread Syntax

The Modern JavaScript Bootcamp (2019) - The Object Spread Syntax

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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This video tutorial introduces the spread operator for objects in JavaScript, explaining how to configure Babel to support this syntax. It demonstrates using the spread operator to copy and merge object properties, highlighting the importance of order when overriding properties. The tutorial concludes with a challenge to create and merge objects using the spread operator.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What configuration change is needed in Babel to support the spread operator with objects?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of installing the Babel plugin for object spread.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the 'plugins' property in the Babel configuration?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you create a copy of an object using the object spread operator?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens to the properties of the original object when you use the spread operator to create a new object?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how the order of properties affects the final object when using the spread operator.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you merge two objects using the spread operator?

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