Events

This tutorial shows you how to detect if the caps lock is on using JavaScript DOM API.

This tutorial shows you how to stop the propagation of an event in both capturing and bubbling phases using the Event.stopPropagation() method.

This tutorial shows you how to prevent the default action of an event by using the preventDefault() method of the Event object.

This tutoial shows you how to check if the document is ready using vanilla JavaScript.

This tutorial shows you how to use the addEventListener() method to create a one-off event handler that execute only once when the event occurs for the first time.

This tutorial shows you how to use the removeEventListener() method to remove an event handler from an event of an element.

This tutorial shows you how to attach an event handler to an event of an element in JavaScript.

This tutorial shows you how to detect if an element has the focus.

This tutorial shows you how to trigger an event on an element programmatically using JavaScript DOM API.