// 导出单个特性

export let name1, name2, …, nameN; // also var, const

export let name1 = …, name2 = …, …, nameN; // also var, const

export function FunctionName(){...}

export class ClassName {...}

// 导处列表

export { name1, name2, …, nameN };

// 重命名导出

export { variable1 as name1, variable2 as name2, …, nameN };

// 默认导出

export default expression;

export default function (…) { … } // also class, function*

export default function name1(…) { … } // also class, function*

export { name1 as default, … };

// Aggregating modules

export * from …;

export { name1, name2, …, nameN } from …;

export { import1 as name1, import2 as name2, …, nameN } from …;

export { default } from …;

import defaultExport from "module-name";

import * as name from "module-name";

import { export } from "module-name";

import { export as alias } from "module-name";

import { export1 , export2 } from "module-name";

import { foo , bar } from "module-name/path/to/specific/un-exported/file";

import { export1 , export2 as alias2 , [...] } from "module-name";

import defaultExport, { export [ , [...] ] } from "module-name";

import defaultExport, * as name from "module-name";

import "module-name";

var promise = import("module-name");//这是一个处于第三阶段的提案。