The Front-End Web Developer Bootcamp - HTML, CSS, JS, and React - addEventListener (Events)

The lecture covers the use of events in JavaScript, starting with an introduction to events and their purpose. It explains how to use JavaScript tags for event handling, focusing on the addeventlistener method. The lecture demonstrates implementing event listeners and advanced event handling techniques, including onclick and getelementbyid methods. The session concludes with a summary of the discussed concepts.

What is the primary purpose of events in JavaScript?

• To validate form inputs

• To load external scripts

• To trigger functions based on user actions

• To style HTML elements

Which method is used to change the background color of an element when it is clicked?

• addEventListener

• querySelector

• getElementById

• onclick

What happens to the background color of an element when the page is refreshed after using the 'onclick' method?

• It resets to the original color

• It becomes transparent

• It remains the same as set by the 'onclick' method

• It turns black

Which method allows you to attach multiple event handlers to a single element?

• getElementById

• querySelector

• onclick

• addEventListener

How can you change the text color of an element using JavaScript?

• Using style.backgroundColor

• Using innerHTML

• Using textContent

• Using style.color