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Web Component 在介绍Angular Component之前,我们先简单了解下W3C Web Components 定义 W3C为统一组件化标准方式,提出Web Component的标准. 每个组件包含自己的html.css.js代码. Web Component标准包括以下四个重要的概念: Custom Elements(自定义标签):可以创建自定义 HTML 标记和元素: HTML Templates(HTML模版):使用 概括来说就是,可以创建自定义标签来引入组件是前端组件化的…
组件是Vue最强大的功能之一.组件是一组可被复用的具有一定功能,独立的完整的代码片段,这个代码片段可以渲染一个完整视图结构组件开发如何注册组件?第一步,在页面HTML标签中使用这个组件名称,像使用DOM元素一样.(通常是一个自定义元素).<div id="app"> <my-component></my-component></div>第二步,使用Vue.extend方法创建一个组件var MyComponent = Vue.extend…
前言 angular中ng-repeat元素swiper无法滑动,angular与swiper冲突. 1.问题 在项目中,我需要利用ng-repeat循环li,比如一个nav导航条,在加入swiper后,出现无法滑动的问题. 问题展示: 其实,我们只需要在初始化swiper时加入两行代码即可 observer:true,//修改swiper自己或子元素时,自动初始化swiper observeParents:true,//修改swiper的父元素时,自动初始化swiper 2.实现 效果图 ht…
Allow the base toggle to be a tag (<toggle>) or attribute (<div toggle>). The <toggle> component has become less opinionated about the view, but has now taken on some responsibilities managing state. We’ll decouple the state management p…
An Angular service registered on the NgModule is globally visible on the entire application. Moreover it is a singleton instance, so every component that requires it via its constructor, will get the same instance. However this is not always the desi…
It it recommeded that when deals with form component, we can create a container component to hold state, and then create a stateless component to enpower the form. For example: In the example has two components, one is container component 'meal.compo…
Traditionally you had to create DOM elements to test a directive but by shifting our focus to components, writing unit tests got a lot easier using $componentControllerwithin ngMocks. We can now test our component's controller with an easy to use API…
<!DOCTYPE html> <html lang="en" ng-app="myapp"> <head> <meta charset="UTF-8"> <title>Document</title> <script src="../js/angularjs.js"></script> <style> body{ fo…
A component author has no way of knowing which state changes a consumer will want to override, but state reducers handle this problem by allowing the parent component to override any state change. In Short, we want to have a way to override the compo…