import { add } from './math.js'; console.log(add(2, 3)); // 输出: 5 如果在index.js中使用import报错,可以按照以下步骤排查: 检查文件路径: 检查文件路径: 确保服务器支持ES6模块: 如果是通过HTTP服务器访问,确保服务器配置正确。 使用Babel转译(如果需要兼容旧浏览器): 安装Babel及相关插件: ...
//---lib.js ---exportconst sqrt =Math.sqrt;exportfunctionsquare(x) {returnx *x; }exportfunctionadd (x, y) {returnx +y; }//--- main.js ---import { square, add } from 'lib';console.log(square(10));//100console.log(add(2,4));//6 这样导入的变量名必须和导出的名称一致。以...
// mathFunctions.js export function add(x, y) { return x + y; } 在另一个文件中导入这个模块: 代码语言:txt 复制 // app.js import { add } from './mathFunctions.js'; console.log(add(1, 2)); // 应该输出 3 调试步骤 检查控制台错误信息:通常浏览器控制台会提供详细的错误信息,指出问题...
import { square, diag } from 'lib'; console.log(square(11)); // 121 console.log(diag(4, 3)); // 5 把export直接加到声明前面就可以省略{} //--- lib.js --- export const sqrt = Math.sqrt; export function square(x) { return x * x; } export function diag(x, y) { return s...
It is similiar but in this case I'd like to import a library called 'random-word-slugs.js' but using `#include` returns a "I/O Error". Votes Upvote Translate Translate Report Report Reply CarlosCanto Community Expert , Sep 06, 2021 Copy link to clipboard try copyi...
Hello, I'm using node 14.5.0 mathjs 7.5.1, installed 7.1.0 with npm and updated through package.json in a node project with ES6 imports. I import mathjs like this: import math from 'mathjs'; So far I had no issues. evaluate() and parse()...
CommonJS modules can always be imported via the default export, for example using: import pkg from '@next/mdx'; const {nextMDX: NextMdx} = pkg; *//**@type{import('next').NextConfig} */// 默认当前 root 路径 ✅const__dirname = path.resolve();constnextConfig = {reactStrictMode:true...
或者导入已有命名的默认项。这两种情况下,默认导入项必须最先声明。 import myDefault, {foo, bar} from "my-module"; // specific, named imports 例子 导入另一个文件,以便辅助处理AJAX JSON请求。 // --file.js-- function getJSON(url, callback) { let xhr = new XMLHttpRequest(); xhr.onload =...
functionimportModule(url){returnnewPromise((resolve,reject)=>{constscript=document.createElement("script");consttempGlobal="__tempModuleLoadingVariable"+Math.random().toString(32).substring(2);script.type="module";script.textContent=`import * as m from "${url}"; window.${tempGlobal}= m;`;sc...
"type":"commonjs", 为esm, 如果扩展名和type同时出现,则扩展名优先级高。 Therefore, if the type is not specified, and vue.config.js ends with js, then commonjs is loaded, vue.config.js is started in commonjs mode, and module introduction can only be done with require, not import. If...