What does event preventDefault do?
Understand the Problem
The question is asking for an explanation of the 'preventDefault' method in JavaScript events, which is used to prevent the default behavior of an element when an event occurs.
Answer
The event.preventDefault() method stops the default action of an element.
The final answer is: The event.preventDefault() method stops the default action of an element from happening, such as preventing a form submission when a submit button is clicked.
Answer for screen readers
The final answer is: The event.preventDefault() method stops the default action of an element from happening, such as preventing a form submission when a submit button is clicked.
More Information
This method is commonly used to gain more control over user interactions, ensuring that custom JavaScript code takes priority over the browser's default behavior.
Tips
A common mistake is using event.preventDefault() when the event is not cancelable, which will have no effect. Always check if the event can actually be cancelled.
Sources
- Event: preventDefault() method - Web APIs - MDN Web Docs - developer.mozilla.org
- preventDefault() Event Method - W3Schools - w3schools.com
- Why do we need event.preventDefault() in JavaScript? - SheCodes - shecodes.io
AI-generated content may contain errors. Please verify critical information
