与 <svelte:window> 和 <svelte:document> 类似，<svelte:body> 元素允许你监听在 document.body 上触发的事件。这对于 mouseenter 和 mouseleave 事件很有用，因为 window 不会触发。
¥Similar to <svelte:window> and <svelte:document>, the <svelte:body> element allows you to listen for events that fire on document.body. This is useful with the mouseenter and mouseleave events, which don’t fire on window.
将 onmouseenter 和 onmouseleave 处理程序添加到 <svelte:body> 标签...
¥Add onmouseenter and onmouseleave handlers to the <svelte:body> tag...
App
<svelte:body
onmouseenter={() => hereKitty = true}
onmouseleave={() => hereKitty = false}
/>...并将鼠标悬停在 <body> 上。
¥...and hover over the <body>.
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<script>
import kitten from './kitten.png';
let hereKitty = $state(false);
</script>
<svelte:body />
<!-- creative commons BY-NC http://www.pngall.com/kitten-png/download/7247 -->
<img
class={{ curious: hereKitty }}alt="Kitten wants to know what's going on"
src={kitten}/>
<style>
img {position: absolute;
left: 0;
bottom: -60px;
transform: translate(-80%, 0) rotate(-15deg);
transform-origin: 100% 100%;
transition: transform 0.4s;
}
.curious {transform: translate(-15%, 0) rotate(0deg);
}
:global(body) {overflow: hidden;
}
</style>