When iterating over an object, the order is based on the enumeration order of Object.keys, which is not guaranteed to be consistent across JavaScript engine implementations. Maintaining State. When Vue is updating a list of elements rendered with v-for, by default it uses an “in-place patch” strategy.If the order of the data items has changed, instead of moving the DOM elements to match. Slots are a powerful tool for creating reusable components in Vue.js, though they aren’t the simplest feature to understand. Let’s take a look at how to use slots and some examples of how they can be used in your Vue applications. Scoped slots are a useful feature of Vue that can make components more versatile and reusable. The only problem is they're hard to understand! In this article, I'll go through a step-by-step example so you can see how useful scoped slots are.

Out of the box v-for supports array mutation methods. These are push, pop, shift, unshift, splice, sort and reverse. If any of these operations are performed on an array, the v-for directive updates the view with the new data. Also, when we replace an array with a new array, Vue finds the most optimized way to update the items. Scoped slots are a new feature introduced in Vue 2.1.0. They allow you to pass properties from your child components into a scoped slot, and access them from the parent. Sort of like reverse property passing. The first step to creating a scoped component slot is to pass properties into a default or named slot from your child component, like so. I have been automating the passing of any and all slots using v-for, as shown below.The nice thing with this method is that you don't need to know which slots have to be passed on, including the default slot. slot. 本页面会假定你已经阅读过 组件基础。如果你还不熟悉组件,请先阅读组件基础后再阅读本页面。 插槽内容slot content Vue 基于现有 Web Components 规范草案,实现一个 内容分发content distribution API 模型,使用 元素,作为内容分发的位置。.

Slots. Esta página assume que você já leu o Básico sobre Componentes.Leia lá primeiro se você for novo com componentes. Na versão 2.6, Nós introduzimos uma nova sintaxe unificada A diretiva v-slot para os slots nomeados e com escopo.Ele substitui os atributos slot e slot-scope, os quais estão agora obsoletos, mas não foram removidos e ainda estão documentados aqui. Slots. Esta página asume que usted ya ha leído Conceptos Básicos de Componentes.Lea eso primero si usted es nuevo con respecto a componentes. Contenido del Slot. Vue implementa una API de distribución de contenido que se modela después del Borrador de especificaciones de componentes web actual, usando el elemento para servir como puntos de distribución para el contenido. Vue.js - The Progressive JavaScript Framework. スロット. 最終更新日: 2019年2月20日. このページは コンポーネントの基本 を読まれていることが前提になっています。 コンポーネントを扱った事のない場合はこちらのページを先に読んでください。. Vue.js — Прогрессивный JavaScript-фреймворк. Слоты. Подразумевается, что вы уже изучили и разобрались с разделом Основы компонентов.Если нет — прочитайте его сначала.

Vue V-for Slots

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