Advanced JS Part 1
Quiz
•
Computers
•
12th Grade
•
Practice Problem
•
Hard
tiya reba
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does AJAX stand for?
Asynchronous JavaScript and XML
Advanced JavaScript and XML
Automatic JavaScript and XML
Asynchronous Java and XML
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of AJAX in web development?
To improve the security of web applications
To make web pages more visually appealing
To allow asynchronous communication with the server
To prevent cross-site scripting attacks
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which JavaScript event is triggered when a user clicks on an HTML element?
onclick
onhover
onsubmit
onkeyup
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct way to add an event listener to an HTML button with the ID "myButton" in JavaScript?
getElementById("myButton").addEventListener("click", myFunction);
document.getElementById("myButton").on("click", myFunction);
document.getElementById("myButton").addEventListener("onclick", myFunction);
document.getElement("myButton").onClick = myFunction;
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which JavaScript event is triggered when a form element loses focus, typically after a user has filled out an input field and clicks away from it?
onblur
onchange
onfocus
oninput
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct way to add an event listener to the "keydown" event in JavaScript using a function called "handleKeyPress"?
window.onkeydown(handleKeyPress);
document.getElementByTagName("body").onkeydown = handleKeyPress;
document.addEventListener("onkeydown", handleKeyPress);
window.addEventListener("keydown", handleKeyPress);
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which keyword is used to throw a custom exception in JavaScript?
try
catch
throw
finally
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