Modern JavaScript from the Beginning - Second Edition - Input Events

This video tutorial covers handling input events in JavaScript, focusing on accessing form inputs, managing text inputs, select lists, and checkboxes. It explains using event listeners for different input types and demonstrates how to use focus and blur events for styling purposes. The tutorial also highlights the differences between frontend JavaScript and backend technologies like PHP or Node.js in form handling.

What is the purpose of adding a select list in the form setup?

• To submit the form automatically

• To enable multiple selections

• To provide a dropdown for selecting priorities

• To allow users to input text

Which method is used to access an element by its ID in JavaScript?

• document.getElementsByTagName

• document.getElementById

• document.querySelector

• document.getElementsByClassName

Why is the 'input' event preferred over 'keydown' for input fields?

• It only works for text fields

• It is faster than 'keydown'

• It fires for every key press

• It works for various input types including select lists

How can you access the value of a form input in JavaScript?

• Using e.key

• Using e.target.value

• Using e.target.innerHTML

• Using e.target.checked

What event should be used to detect changes in a select list?

• change

• input

• keypress

• keydown

How do you determine if a checkbox is checked in JavaScript?

• Using e.target.value

• Using e.target.checked

• Using e.target.textContent

• Using e.target.innerHTML

What is the purpose of the 'focus' event in JavaScript?

• To change the input value

• To submit a form

• To apply styles when an input is active

• To log input values

What happens when the 'blur' event is triggered?

• The input value is cleared

• The form is submitted

• The input loses focus

• The input value is logged

Which event is used to apply styles when an input field is clicked?

• focus

• blur

• change

• input

What is the main use of JavaScript in handling form inputs?

• To make the page static

• To change the HTML structure

• To make the page dynamic and interactive

• To remove CSS styles