要从JavaScript 中的另一个文件重新导出值,请确保导出名称exports as export {myFunction, myConstant} from './another-file.js和default export as export {default} from './another-file .js'。 这些值可以从重新导出它们的文件中导入。 下面是一个文件示例,该文件具有 2 个命名导出和一个默认导出。 anothe...
DOCTYPE html>Call Function from One JS file into anotherShow Circle Area first.js代码: constPI=3.14;letradius=3;functioncalcArea(){returnPI*radius*radius;}export{calcArea}; second.js代码: import{calcArea}from'./first.js';document.getElementById('btn').addEventListener('click',functioncircleAre...
How to export a function from a JavaScript fileIn JavaScript we can separate a program into separate files. How do we make a function we define in a file available to other files?You typically write a function, like this:function sum(a, b) { return a + b }...
export functionfun() {}; 如果在b.js中同时使用a和c这两个模块,就必须想办法解决接口重名的问题,as就解决了。 CommonJS中module.exports 与 exports的区别 Module.exports The module.exports object is created by the Module system. Sometimes this is not acceptable; many want their module to be an ins...
export关键字标记了可以从当前模块外部访问的变量和函数。 import关键字允许从其他模块导入功能。 例如,我们有一个sayHi.js文件导出了一个函数: //📁 sayHi.jsexport function sayHi(user) { alert(`Hello, ${user}!`); } ……然后另一个文件可能导入并使用了这个函数: ...
export default myFunction; // 将 myFunction 作为默认导出 三、导入模块(Import) 基本导入方式 与导出对应,导入一个模块也有两种方式:默认导入和命名导入。 导入默认导出的成员: // file: anotherModule.js import myDefaultFunction from './myModule'; ...
export function getUsefulContents(url, callback) { getJSON(url, data => callback(JSON.parse(data))); } // --main.js-- import { getUsefulContents } from "file"; getUsefulContents("http://", data => { doSomethingUseful(data); ...
export { myFunction as function1, myVariable as variable }; 1. 2. And aggregate submodules together in a parent module so that they are available to import from that module. //In parentModule.jsexport { myFunction, myVariable } from 'childModule1.js'; ...
eventcalendar('#demo-mobile-day-view', { clickToCreate: true, dragToCreate: true, dragToMove: true, dragToResize: true, eventDelete: true, view: { schedule: { type: 'day' }, }, onEventClick: function (args) { mobiscroll.toast({ message: args.event.title, }); }, }); ...
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