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Explain import “as” and Export “as” constructs in JavaScript.
Import as allows us to import a named module under different name.
Export as allows us to export a named module under different name.
Following is the code for import as and export as construct in Javascript −
Example
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Document</title> <style> body { font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif; } .result { font-size: 18px; font-weight: 500; color: rebeccapurple; } </style> </head> <body> <h1>Import as and Export as in JavaScript</h1> <div class="result"></div> <button class="Btn">CLICK HERE</button> <h3>Click on the above button to execute the imported function</h3> <script src="script.js" type="module"></script> </body> </html> script.js
import {test,tellTime as showTime} from "./sample.js"; let resultEle = document.querySelector('.result'); document.querySelector('.Btn').addEventListener('click',()=>{ resultEle.innerHTML+=test(); resultEle.innerHTML+=showTime(); }) sample.js
function testImport() { return "Module testImport has been imported" + ""; } function tellTime() { return new Date(); } export { testImport as test, tellTime }; Output
The above code will produce the following output −
On clicking the ‘CLICK HERE’ button −
Updated on: 2020-07-17T07:32:33+05:30
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