vue3 的组合式 api 中的 onUnmounted 代替了 vue2 中的 beforeDestory。 vue3 的组合式 api unmounted 代替了 vue2 中的 destoryed 。 四、proxy 相对 Object.defineProperty 优点有哪些? proxy 和 Object.defineProperty 都是来实现响应式数据的。 vue3 使用 proxy 来代替 vue2 的 Object.defineProperty 效率更...
在Vue3 中,新增了一个名为 v-slot 的指令,用于定义具名插槽的内容。同时,Vue3 还取消了 v-bind:src 指令的用法,而是直接使用 v-bind:src=“imageUrl” 的方式来绑定图片的地址。 在Vue3 中,取消了全局 API 中的 route 和 router 属性,而是将这两个属性移至组件内部的 setup() 函数中。 在Vue...
Vue 3 is faster and more efficient at rendering than its predecessor. That’s because it has an optimized reactivity system and a virtual DOM. Its new component-based APIs help with performance improvement and the virtual DOM helps with patching and rendering. More importantly, Vue 3 only updat...
从2.2.0 的版本开始,我们发现 Vue 的源码里面多了一个东东: // config 里面多了一个配置 var config = { performance: "development" !== 'production' } 官方releases 的说明: New config: Vue.config.performance. Setting it to true traces component init, compile, render and patch time in the brow...
Vue3【注册或获取全局组件. 注册还会自动使用给定的 name组件 设置组件的名称】 基本vue2写法一致 代码语言:javascript 代码运行次数:0 运行 AI代码解释 import{createApp}from'vue'constapp=createApp({})// 注册组件,传入一个选项对象app.component('my-component',{/* ... */})// 获取注册的组件 (始终返...
Vue2与Vue3的全局配置API变化区别 createApp Vue2.x创建实例并且挂载DOM上 import Vue from "vue"; import App from './App.vue' new Vue({ render: (h) => h(App) }).$mount("#app"); 1. 2. 3. 4. 5. 6. Vue3新增api===>createApp创建实例 ...
Should You Update to Vue 3? We recommend the upgrade from Vue 2 to Vue 3 for the following reasons: Vue 3 has better overall performance, compared to Vue 2. Vue 2 will no longer receive security updates after its EOL date. Migrating to Vue 3 will give you the freedom to add new too...
Nuxt Performance: Delayed Hydration The first step to improving the performance of our application will be to install thenuxt-delay-hydrationmodule. Installation can be done using your preferred package manager (npm, yarn, or pnpm) yarn add -D nuxt-delay-hydration ...
Vue 3 is the latest version of Vue framework. It provides better code organization by logical concerns, better performance, better support from the contributors, and new features which are unavailable in Vue 2. Moreover, Vue 2 will reach End of Life by the end of 2023. Considering this, it...
I forked data from awesome vue repository and checked all the repositories for possible Vue 3 support or items. I have also subscribed to the available Vue 3 issues that I found and listed them here so that I could update the ones that will soon support Vue 3. I am also following the ...