(1) [VueComponent] [Vue warn]: Error in v-on handler: "TypeError: this.$refs[ref].log is not a function" TypeError: this.$refs[ref].log is not a function */}, }, refs ??? object <template>{{ msg }}ref {{ index }}<Child:ref="`ref_${index}`":order="index"/></templat...
: Component | null): ComponentOptions {if (isFunction(child)) {child = child.options} normalizeProps(child, vm)normalizeInject(child, vm)normalizeDirectives(child) if (!child._base) {if (child.extends) {parent = mergeOptions(parent, child.extends, vm)}if (child.mixins) {for...
Vue.js Parent Call Child Component Method 单个定义的 ref ,使用 this.$refs.xxx 获取的是 一个组件的实例对象 通过v-for 循环后多个定义的 ref,使用 this.$refs.xxx 获取的是 一个组件的实例对象的数组 methods: { clickRef(index) { const ref = `ref_${index}`; co...
2.5.1.2、ParentComponent.vue <template> 我是父组件 <child-component ref="childRef"></child-component> 调用子组件方法 </template> import ChildComponent from './ChildComponent.vue'; function callChildMethod(refs) { refs.childRef.sayHello(); } 2.5.2、$parent $parent 属性用来访问当前组件...
Type可选值有String, Number, Boolean, Array, Object, Function, 自定义构造函数等父组件传值:highlighter- xml <!-- DadComponent.vue--> <template> <!-- 通过v-bind将data中定义的数据传递给子组件的props,或直接作为属性传递 --> <child-component :title='book_title' author='曹雪芹' :price=...
2、createComponent 接下来,我们先看 createComponent() 的定义,具体如下 export function createComponent ( Ctor: Class<Component> | Function | Object | void, data: ?VNodeData, context: Component, children: ?Array<VNode>, tag?: string ): VNode | Array<VNode> | void { if (isUndef(Ctor)) {...
component has been fully rendered and all child components have been mounted. This can be useful for data fetching or other operations that need to happen after the component has been rendered. So, if you’re trying to call a function on component creation, this is probably the tool y...
1、Vue源码解析(一)-模版渲染介绍过,vue初始化时根据template函数生成render函数,本文render函数会调用vm._c('my-component'),_createElement判断'my-component是注册过的组件,因此以组件的方式生成vnode updateComponent = function () { vm._update(vm._render(), hydrating); ...
There are other ways to access child functions e.g. using events and props. But in this example, we’ll access child functions using refs. Let’s start by creating our parent component. We’ll call it Header.vue. It will be a layout component, which will have a site navigation bar, ...
Child component: import { Vue, Component } from 'vue-property-decorator'; @Component({}) export default class Modal extends Vue { // ... public close(): void { this.displayFlag = false; } } } Below code from the parent component is meaningless from the view point of Vue, but ...