Advanced JS Part 1

Advanced JS Part 1

12th Grade

10 Qs

quiz-placeholder

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Advanced JS Part 1

Advanced JS Part 1

Assessment

Quiz

Computers

12th Grade

Practice Problem

Hard

Created by

tiya reba

Used 5+ times

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10 questions

Show all answers

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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