HTML CSS and JavaScript for Beginners - A Web Design Course - Select Multiple Elements
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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 method can be used to select multiple elements from the DOM?
getElementById
querySelector
querySelectorAll
getElementsByClassName
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain how you can iterate through a list of elements in JavaScript.
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the purpose of the 'this' keyword in the context of an event listener?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Describe the effect of using the toggle method on a class in JavaScript.
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
What happens when you click an element that has a class toggled off?
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the difference between an anonymous function and a named function in event handling?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
How can you make a function reusable in JavaScript when handling events?
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