A comprehensive guide to Svelte components with slots

组件子级 Checking for slot content

slot name=content>slot> script> let counter Getting Started with Svelte and Vite: A Practical Guide 1

svelte pass props to slot In addition, you can find an explanation at Using templates and slots Technical summary Content categories · Flow content, phrasing content

svelte check if slot is empty In Svelte, slotted content renders lazily In the DOM, it renders eagerly In other words, it will always be created even if the component's slot> element