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We can also bind to certain properties of window, such as scrollY:

App
<svelte:window bind:scrollY={y} />

The list of properties you can bind to is as follows:

  • innerWidth
  • innerHeight
  • outerWidth
  • outerHeight
  • scrollX
  • scrollY
  • online — an alias for window.navigator.onLine

All except scrollX and scrollY are readonly.

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<script>
	let y = $state(0);
</script>
 
<svelte:window />
 
<span>depth: {y}px</span>
 
<style>
	:global(body) {
		height: 400vw;
		background: url(./deepsea.webp);
		background-size: cover;
	}
 
	span {
		position: fixed;
		font-size: 2em;
		color: white;
		font-variant: tabular-nums;
	}
</style>