Q
Which method is used to remove an event listener from an HTML element in JavaScript?

Answer & Solution

Answer: Option A
Solution:
The removeEventListener() method is used to remove an event listener from an HTML element in JavaScript. It requires specifying the event type and the function (or reference) used as the event listener, allowing developers to detach event handlers when they are no longer needed.
Related Questions on Average

What is the purpose of the oninput event in HTML?

A). A. To track changes in form inputs

B). B. To detect mouse movements

C). C. To determine when an element is loaded

D). D. To handle form submissions

Consider the following HTML code: Which JavaScript code adds a click event listener to the button?

A). A. document.getElementById('myButton').onclick = function() { alert('Button clicked'); };

B). B. document.getElementById('myButton').addEventListener('click', function() { alert('Button clicked'); });

C). C. document.getElementById('myButton').click(function() { alert('Button clicked'); });

D). D. document.getElementById('myButton').on('click', function() { alert('Button clicked'); });

Which event is triggered when a user clicks on an HTML element?

A). A. onhover

B). B. onsubmit

C). C. onload

D). D. onclick

What is the purpose of the onclick attribute in HTML elements?

A). A. To define styles for HTML elements

B). B. To attach event listeners for mouse clicks

C). C. To insert JavaScript code directly into HTML

D). D. To create animations for HTML elements

Consider the following JavaScript code: let greet = function(name) { return 'Hello, ' + name + '!'; }; What type of function is greet in this code?

A). A. Named function

B). B. Anonymous function

C). C. Arrow function

D). D. Generator function

What is the purpose of the onmouseover event in HTML?

A). A. To detect when an element is hovered over

B). B. To track changes in form inputs

C). C. To determine when an element is loaded

D). D. To handle form submissions

Which event occurs when a user submits an HTML form?

A). A. onsubmit

B). B. onmouseover

C). C. onkeydown

D). D. onclick

Which event is triggered when a web page finishes loading?

A). A. onload

B). B. onsubmit

C). C. onmouseover

D). D. onclick

What is the purpose of parameters in a JavaScript function?

A). A. To return a value from the function

B). B. To define the function's name

C). C. To store variables within the function

D). D. To accept inputs into the function

Which method is used to attach an event listener to an HTML element in JavaScript?

A). A. appendEvent()

B). B. addEventListener()

C). C. attachEvent()

D). D. bindEvent()