Error: Item slot must have only one child. 问题表现. 代码： When using drag plug-in in JSX, an error is reported: draggable element must have an item slot. Note that the item slot is written as follows: const slots = { . .
3、报错Item slot must have only one child：这是由于item插槽下有多个元素，应该只有一个div。哪怕是注释的div也会报错 
Slot content does not have access to the child component's data. Expressions in Vue templates can only access the scope it is defined in, consistent with JavaScript's lexical .Sometimes, it’s useful for slot content to have access to data only available in the child component. For example, imagine a component with the following .
This entry was posted in Javasript and tagged Error: draggable element must have an item slot, Vue3 on March 19, 2022 by Robins. Post navigation ← Connected Redis Execute command Error: (error) MISCONF Redis is configured to save RDB snapshots, ERROR: Unable to start the RMI connector for NodeAgent (ArcGIS Server . Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams Get early access and see previews of new features. 1、vue3+vuedraggable报错TypeError: Cannot read properties of undefined (reading ‘updated’)：这个一般是因为插件使用语法有问题，vue3版本的插件使用时，v-for不能。2、报错 draggable element must have an item slot：这报错也是因为没有写item插槽，按照上面的语法写了插槽后，这报错就能解决。
1、Error: draggable element must have an item slot 升级组件 npm i -S vuedraggable@next 使用示例 Draggable 1 4. 以上是插件最简几行代码，这四行不能缺失。. b）报错 draggable element must have an item slot：这报错也是因为没有写item插槽，按照上面的语法写了插槽后，这报错就能解决。. c)报错Item slot must have only one child：这是由于item插槽下有多个元素，应该只有一个div . Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid .. Asking for help, clarification, or responding to other answers. 1、vue3+vuedraggable报错TypeError: Cannot read properties of undefined (reading ‘updated’)：这个一般是因为插件使用语法有问题，vue3版本的插件使用时，v-for不能。2、报错 draggable element must have an item slot：这报错也是因为没有写item插槽，按照上面的语法写了插槽后，这报错就能解决。error: item slot must have only one child vuedraggable working until First, you need to move out all the vue-draggable props (like tag, options, value, and etc. You can see the full list here .) into the component props property (See above for the types). You can see here . These have been removed in Vue 3, but you could use the recommended mitt library. One way would be to dispatch a submit event to the child components and have them emit a validate event when they receive a submit. But maybe you don't have access to add this to the child components? JSFiddle Example b）报错 draggable element must have an item slot：这报错也是因为没有写item插槽，按照上面的语法写了插槽后，这报错就能解决。 c)报错Item slot must have only one child：这是由于item插槽下有多个元素，应该只有一个div。哪怕是注释的div也会 . 不得不说naive-ui用过最难用的组件，在此记录一下naive的各种疑难杂症; 即报错，但不显示具体错误内容的bug. [naive/getFirstSlotVNode]: slot[trigger] should have exactly one child. Uncaught (in promise) Error: [vueuc/follower]: slot[default] should have exactly one child. 1.注册. draggable element must have an item slot. 这个错误的意思是，在HTML中的拖拽元素必须有一个目标位置，即“item slot”。. 这是因为在拖拽过程中，拖拽元素需要有一个目标位置来放置元素。. 如果没有这个目标位置，拖拽元素将无法正常工作。. 基于 React.js 的轻 .
1、Error: draggable element must have an item slot. . 2、Item slot must have only one child.
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