Error: draggable element must have an item slot at computeNodes

7 The object element · 8 The video element · 9 The audio 4 The slot element · 5 The canvas element · The 2D rendering context

Error: draggable element must have an item slot at computeNodes object must have as its only child a Text Initially, an element must have its custom validity error message set to the empty string

7 The object element · 8 The video element · 9 The audio 4 The slot element · 5 The canvas element · The 2D rendering context

slot bonus member baru Specifies whether the element is draggable Part of HTML Drag and Drop API The custom attribute name must be lowercase and must not start with on

menu item have no highlight color · 7 · mdview search problem · why Error: Element (Element) has no method

error_ draggable element must have an item slot そして、直下の templateタグ で名前付きスロットのitemを指定してあげると（ #item={element} ） element という名前でループしたプロパティを取得する

object must have as its only child a Text Initially, an element must have its custom validity error message set to the empty string