svelte/test/runtime/samples/event-handler-custom-this/main.html

<input on:enter='this.blur()'>

<script>
	export default {
		events: {
			enter(node, callback) {
				function handleKeydown(event) {
					if (event.which === 13) {
						callback();
					}
				}

				node.addEventListener('keydown', handleKeydown);

				return {
					destroy() {
						node.removeEventListener('keydown', handleKeydown);
					}
				};
			}
		}
	};
</script>