svelte/test/runtime/samples/deconflict-elements-indexes/main.html

<div>
	{{#each tagList as tag, i}}
		<i on:click='remove(i)'>
			{{tag}}
		</i>
	{{/each}}
</div>

<script>
	export default {
		data() {
			return {
				inProgress: false,
				tagList: ['one']
			};
		},

		methods: {
			remove(index) {
				// ...
			}
		}
	};
</script>