WebOct 22, 2024 · const { ctx } = getCurrentInstance(); // 方式一,这种方式只能在开发环境下使用,生产环境下的ctx将访问不到 const { proxy } = getCurrentInstance(); // 方式二,此方 … Weblet and const are two relatively new concepts for variable declarations in JavaScript. As we mentioned earlier, let is similar to var in some respects, but allows users to avoid some of the common “gotchas” that users run into in JavaScript. const is an augmentation of let in that it prevents re-assignment to a variable.
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WebDec 8, 2024 · 问题解决. 第一个报错很好理解 因为 getCurrentInstance () 的返回类型存在 null 所以在此处添加断言即可. import { ComponentInternalInstance, getCurrentInstance } … Webvue3+ts+setup获取全局变量getCurrentInstance-量的目的,但是在使用typescript的时候,就会有一些新的问题产生,这里来做一个整理。 ... { ComponentInternalInstance, getCurrentInstance } from 'vue'; // 添加断言 const { proxy } = getCurrentInstance() as ComponentInternalInstance setup() { const { proxy } ... Web1.使用less并导出变量到ts使用,但是ts报错找不到. 报错内容: Cannot find module 'xxx.less' or its corresponding type declarations. 复制代码. 解决方法: CSS in Typescript. 2.setup中获取proxy,但提示可能为null const { proxy } = getCurrentInstance (); 复制代码. 提示报错内容… did jesse palmer marry the bachelorette