svelte/test/js/samples/event-modifiers/input.html

<script>
	function handleTouchstart() {
		// ...
	}

	function handleClick() {
		// ...
	}
</script>

<div on:touchstart="{handleTouchstart}">
	<button on:click|stopPropagation|preventDefault="{handleClick}">click me</button>
	<button on:click|once|capture="{handleClick}">or me</button>
	<button on:click|capture="{handleClick}">or me!</button>
</div>