What are some examples of custom events in JavaScript?
An example of an AI chatbot conversation about JavaScript custom event usage and examples.
Can you give me some examples of custom events in JavaScript?
Sure! Custom events in JavaScript allow you to create your own events that can be triggered and listened to. For example, you can create a custom event called 'userLoggedIn'.
How do I create and dispatch a custom event?
You can create a custom event using the Event constructor. For example: let event = new Event('userLoggedIn'); Then, you can dispatch it using element.dispatchEvent(event);.
Can I pass data with custom events?
Yes! You can use the CustomEvent constructor to pass data. For example: let event = new CustomEvent('userLoggedIn', { detail: { username: 'JohnDoe' } });.
How do I listen for a custom event?
You can listen for a custom event using the addEventListener method. For example: element.addEventListener('userLoggedIn', function(e) { console.log(e.detail.username); });.
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