解决方案: 确保生命周期钩子按正确的顺序调用,并理解每个钩子的作用时间点。 import { onMounted, onUnmounted } from'vue'; onMounted(()=>{ console.log('Component mounted'); }); onUnmounted(()=>{ console.log('Component unmounted'); }); 6. 模板语法错误 错误示例: <template> {{ isVisible ?'Vi...
Composition API 又名组合式API,我们要知道 我们常用的vue2使用的是OptionAPI,简单的说就是我们熟悉的 data, computed , method等等,但是在vue3中 我们并不建议使用OptionAPI。 在Vue2中 我们一个功能得分不同的许多地方 比如数据放在data中 方法放在methods中 分开的特别散乱 一两个功能还好 但是页面可能功能很多 ...
<template> <editor :initial-value="editorText" :options="defaultEditorOptions" height="500px" initial-edit-type="wysiwyg" preview-style="vertical" /> </template> import { reactive, ref, onMounted, onUnmounted, nextTick } from 'vue' import '@toast-ui/editor/dist/toastui-editor.css' import...
beforeCreate -> use setup() created -> use setup() beforeMount -> onBeforeMount mounted -> onMounted beforeUpdate -> onBeforeUpdate updated -> onUpdated beforeUnmount -> onBeforeUnmount unmounted -> onUnmounted errorCaptured -> onErrorCaptured renderTracked -> onRenderTracked renderTriggered -> on...
import { ref, onMounted, onUnmounted } from "vue"; import * as THREE from "three"; const amountX = ref(50); const amountY = ref(50); const color = ref("#e1b284"); const topOffset = ref(350); let count = 0; let mouseX = 0; ...
onUnmounted:用于在组件从DOM中移除之前执行一些操作。可以在setup函数中使用onUnmounted来注册一个回调函数,在组件被销毁之前执行。 provide和inject:用于在组件树中进行依赖注入。通过provide可以向子组件提供一个值,而子组件可以使用inject来接收这个值。 组合API的优势在于它提供了一种更灵活、更可组合的方式来组织组件...
const isArray = Array.isArray; const isMap = (val) => toTypeString(val) === "[object Map]"; const isSet = (val) => toTypeString(val) === "[object Set]"; const isDate = (val) => toTypeString(val) === "[object Date]"; ...
'PollUp' is defined but never used import tippy from 'tippy.js' import 'tippy.js/animations/scale.css' // 添加这行来导入 scale 动画 import { onMounted, onUnmounted, ref, watch } from 'vue' const emit = defineEmits(['clickEmoji', 'close', 'update:modelValue', 'changeText']) @@ ...
It has been almost eight years since the first version was released on December 8, 2013. Do you know the meaning of each version's name?
74 const onUnmounted: typeof import('vue')['onUnmounted'] 75 const onUpdated: typeof import('vue')['onUpdated'] 76 const pausableWatch: typeof import('@vueuse/core')['pausableWatch'] 77 const provide: typeof import('vue')['provide'] 78 const reactify: typeof import('@vueuse/...