js import and export
// helloworld.js
export function helloWorld() {
return 'Hello World!';
}
// main.js
import helloWorld from './helloworld.js';
console.log(helloWorld());js import and export
// helloworld.js
export function helloWorld() {
return 'Hello World!';
}
// main.js
import helloWorld from './helloworld.js';
console.log(helloWorld());js export multiple functions
function foo() { console.log('foo') }
function bar() { console.log('bar') }
function baz() { foo(); bar() }
export default {foo, bar, baz}javascript import
import { module } from "./path"; // single module
import Module from "./path"; // default export
import Module, { module } from "./path"; // bothjavascript import class
//import it
import Example from './file2';
//Create an Instance
var myInstance = new Example()
myInstance.test()import and export type in js
// Exporting individual features
export let name1, name2, …, nameN; // also var, const
export let name1 = …, name2 = …, …, nameN; // also var, const
export function functionName(){...}
export class ClassName {...}
// Export list
export { name1, name2, …, nameN };
// Renaming exports
export { variable1 as name1, variable2 as name2, …, nameN };
// Exporting destructured assignments with renaming
export const { name1, name2: bar } = o;
// Default exports
export default expression;
export default function (…) { … } // also class, function*
export default function name1(…) { … } // also class, function*
export { name1 as default, … };
// Aggregating modules
export * from …; // does not set the default export
export * as name1 from …; // Draft ECMAScript® 2O21
export { name1, name2, …, nameN } from …;
export { import1 as name1, import2 as name2, …, nameN } from …;
export { default } from …;javascript export
export const name = 'square';
export function draw(ctx, length, x, y, color) {
ctx.fillStyle = color;
ctx.fillRect(x, y, length, length);
return {
length: length,
x: x,
y: y,
color: color
};
}Copyright © 2021 Codeinu
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