Events in Lightning Web Components are handled using the standard DOM event model. Components can dispatch custom events using the CustomEvent constructor and listen for these events using the addEventListener method or inline event handlers in the template. Event propagation (bubbling and capturing) follows the standard DOM pattern. Best practices include using named events that are descriptive of their purpose, passing data through event details, and ensuring proper event handling and cleanup to prevent memory leaks. It’s also important to understand the difference between composed events, which can cross shadow boundaries, and regular events, which don’t.
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