ReferenceError: Cannot access ‘xxxx‘ before initialization ,原因之前已经初始化过,但页面组件嵌套,需要被重复引用。 1、开启异步引用来解决 components:{DeviceManage:defineAsyncComponent(()=>import('@/views/operation/mechanism/index.vue'))
在Vue 3中遇到“ReferenceError: cannot access 'variable' before initialization”错误通常是由于变量在使用前未被正确声明或初始化。这个问题可能与JavaScript的暂时性死区(Temporal Dead Zone, TDZ)有关,尤其是在使用let或const声明变量时。以下是一些可能导致这个错误的常见原因以及相应的解决方案: 1. 确认报错环境和...
Cannot access 'xxx' before initialization 解决方法: watchEffect位置放在变量函数之后 函数声明为function形式(待测试) watchEffect配置选项 flush: "post",等同于watchPostEffect
开发过程中发现热更新无效,控制台输出如下错误ReferenceError: Cannot access 'xxx' before initialization [hmr] Failed to reload xxx. This could be due to syntax errors or importing non-existent…
问题解决了,但是vscode里代码飘红。原因应该是import index时,引入了index.vue,自已调自己,形成了死循环。 解决飘红的办法,打开tsconfig.json: "include": [ "src/**/*.ts", "src/**/*.d.ts", "src/**/*.tsx", "src/**/*.vue" ],
vue3+ts+vite Cannot access 'U' before initializationdev的时候能正常执行，build也能打包，就是在...
本地能正常跑起来,有警告vue-router.esm.js?8c4f:16 [vue-router] Duplicate named routes definition: { name: "login", path: "/login" }.用webpack4打生产包后,打开index.html报错Cannot access 'jt' before initialization.进入打包后的js文件查看了一下'jt'指的是constantRoutes,即常规的路由,不是...
ReferenceError: Cannot access 't' before initialization at H (app.js:1) at z (app.js:1) at U (app.js:1) at app.js:1 at app.js:1 at E (app.js:1) at T (app.js:1) at new A (app.js:1) at o.mounted (app.js:1) at He (app.js:1) ...
这个时候,会报错Uncaught (in promise) ReferenceError: Cannot access 'test' before initialization。 原因就是test方法在 watch 调用之前还不可访问。 解决方法一: const props = withDefaults( defineProps<{ info: any; }>(), {} ); const test...
vue的app.vue中引用了全局组件,报错cannot access 'o' before initialization,怎么解决 - 我爱学习网 (5axxw.com)