HTML CSS and JavaScript for Beginners - A Web Design Course - JavaScript Arrays of Objects
Interactive Video
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Information Technology (IT), Architecture
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University
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Practice Problem
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of the Mozilla Developer Network as mentioned in the video?
To provide a platform for coding competitions
To host online JavaScript tutorials
To offer a resource for understanding JSON and JavaScript
To sell JavaScript development tools
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you manage multiple items within a JSON object?
By using curly brackets
By using square brackets to create arrays
By using parentheses
By using angle brackets
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key benefit of maintaining consistent naming for properties in JSON objects?
It simplifies access to properties within programming
It allows for faster execution of code
It enhances the visual appearance of the code
It reduces the file size of JSON objects
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What additional property is added to the JSON object in the third example?
Owner
Model
Make
Year
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to have a good structure for your data in JSON?
To make it easier to loop through and manage data
To reduce the need for comments in code
To increase the speed of data transmission
To ensure compatibility with all browsers
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the advantage of using arrays in JSON objects when dealing with multiple items?
It allows for random access to elements
It provides a way to loop through items easily
It automatically sorts the items
It reduces the complexity of the code
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of JSON, what does the term 'nested properties' refer to?
Properties that are stored in a separate file
Properties that are hidden from view
Properties that are contained within other properties
Properties that are encrypted for security
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