Modern Web Design with HTML5, CSS3, and JavaScript - Getting Random Items from Arrays
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.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the first step in generating a random value from an array?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
How do you create an array in JavaScript?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
What method is used to select an element in the DOM to update its content?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain how to generate a random index for an array.
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the purpose of the Math.floor and Math.random methods in this context?
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
How can you return both the item and its index from the array?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the final output method used to display the random messages on the page?
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