ReferenceError:文档未定义

Question

我在文件中使用的是香草javascript。然而，我不断收到下面的错误。为什么？

file:///Users/rizalmahadiab/Desktop/ga/unit1/project/concentration-game/app.mjs:30
document
^
ReferenceError: document is not defined
at file:///Users/rizalmahadiab/Desktop/ga/unit1/project/concentration-game/app.mjs:30:1
at ModuleJob.run (node:internal/modules/esm/module_job:185:25)
at async Promise.all (index 0)
at async ESMLoader.import (node:internal/modules/esm/loader:281:24)
at async loadESM (node:internal/process/esm_loader:88:5)
at async handleMainPromise (node:internal/modules/run_main:65:12)

Answer 1

您正在Node中运行此程序。document全局对象仅存在于浏览器中。