DAY 1 Js

How to import JS in HTML

<script src="app.js"></script>

defer
attribute in script tag to ensure the HTML page loads before the js file or we can add the the script tag below the HTML file

How To import and Export in js

exportfile.js

export const apiKey="ASZFWXWFWGBWFKKG"

importfile.js

import {apiKey} from "./exportfile.js"

OR

By using the default method only one value can be exported from the file. you can give any name for the imported variable

exportfile.js

export default "ASZFWXWFWGBWFKKG"

importfile.js

import apiKey from './exportfile.js'

OR

Grouping

But you can have both in single file

exportfile.js

export default "agsdgadsh";
export const data="1234";
export let admin = true;

importfile.js

import * as exp from './exports'
console.log(exp.default)
console.log(exp.data)
console.log(exp.admin)