JavaScript DOM Manipulation Quiz
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Question 1/15
Which method would you use to clone a DOM node?
Select your answer
Question 2/15
What method would you use to add an event listener in the capture phase?
element.addEventListener('click', function() {
// Handler logic
}, true);
Select your answer
Question 3/15
What is the purpose of the
document.readyState
property?
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Question 4/15
Which property of a DOM element would you use to change its content?
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Question 5/15
Which event property gives you the position of the mouse cursor when an event occurred?
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Question 6/15
Which method is used to clear all timers set with
setInterval()
?
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Question 7/15
To set the value of an input field using JavaScript, which property would you use?
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Question 8/15
Which method allows you to execute a function after a specified number of milliseconds?
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Question 9/15
How can you access the first child of a DOM element?
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Question 10/15
What method would you use to select an element by its ID in the DOM?
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Question 11/15
To get all elements of a specific class, which method would you use?
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Question 12/15
Which DOM method is used to create a new HTML element?
Select your answer
Question 13/15
To alter the CSS of an element dynamically, which object should you modify?
Select your answer
Question 14/15
Which method is used to append a new element as the last child of a parent element?
// Example of appending a new child
parentElement.appendChild(newElement);
Select your answer
Question 15/15
Which property would you use to change the URL in the browser's address bar without reloading the page?
Select your answer
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Your Answers
Question 1/15
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answer was correct
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answer was incorrect
Which method would you use to clone a DOM node?
Available answers
The
element.cloneNode()
method returns a duplicate of the node on which it is called, while the parameter indicates whether or not to include child nodes.
Question 2/15
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answer was correct
🙁 Your
answer was incorrect
What method would you use to add an event listener in the capture phase?
element.addEventListener('click', function() {
// Handler logic
}, true);
Available answers
In
element.addEventListener(event, listener, useCapture)
, setting useCapture
to true makes the event target the capture phase instead of the bubbling phase.
Question 3/15
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answer was correct
🙁 Your
answer was incorrect
What is the purpose of the <code>document.readyState</code> property?
Available answers
The
document.readyState
property describes the loading state of the document. It can be 'loading', 'interactive', or 'complete'.
Question 4/15
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answer was correct
🙁 Your
answer was incorrect
Which property of a DOM element would you use to change its content?
Available answers
The
innerHTML
property is used to get or set the HTML content of an element.
Question 5/15
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answer was correct
🙁 Your
answer was incorrect
Which event property gives you the position of the mouse cursor when an event occurred?
Available answers
event.clientX
and event.clientY
provide the x and y coordinates of the mouse cursor relative to the viewport at the time the event occurred.
Question 6/15
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answer was correct
🙁 Your
answer was incorrect
Which method is used to clear all timers set with <code>setInterval()</code>?
Available answers
The
clearInterval()
method stops the timer set by setInterval()
.
Question 7/15
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answer was correct
🙁 Your
answer was incorrect
To set the value of an input field using JavaScript, which property would you use?
Available answers
The
value
property is used to set or return the value of the element.
Question 8/15
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answer was correct
🙁 Your
answer was incorrect
Which method allows you to execute a function after a specified number of milliseconds?
Available answers
The
setTimeout()
method calls a function or evaluates an expression after a specified number of milliseconds.
Question 9/15
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answer was correct
🙁 Your
answer was incorrect
How can you access the first child of a DOM element?
Available answers
The
element.firstChild
property returns the first child of an element.
Question 10/15
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answer was correct
🙁 Your
answer was incorrect
What method would you use to select an element by its ID in the DOM?
Available answers
The
document.getElementById()
method returns an element object representing the element whose id property matches the specified string.
Question 11/15
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answer was correct
🙁 Your
answer was incorrect
To get all elements of a specific class, which method would you use?
Available answers
The
document.getElementsByClassName()
method returns a live HTMLCollection of elements with the specified class name.
Question 12/15
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answer was correct
🙁 Your
answer was incorrect
Which DOM method is used to create a new HTML element?
Available answers
The
document.createElement()
method creates the HTML element specified by tagName, or an HTMLUnknownElement if tagName isn't recognized.
Question 13/15
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answer was correct
🙁 Your
answer was incorrect
To alter the CSS of an element dynamically, which object should you modify?
Available answers
The
element.style
object represents an element's inline style, which can be modified directly with JavaScript.
Question 14/15
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answer was correct
🙁 Your
answer was incorrect
Which method is used to append a new element as the last child of a parent element?
// Example of appending a new child
parentElement.appendChild(newElement);
Available answers
The
parentElement.appendChild(newElement)
method adds a node to the end of the list of children of a specified parent node.
Question 15/15
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answer was correct
🙁 Your
answer was incorrect
Which property would you use to change the URL in the browser's address bar without reloading the page?
Available answers
The
history.pushState()
method adds a new entry to the browser's session history stack, allowing you to change the URL without triggering a page reload.