import script js code example

Example 1: javascript using another js file

// module.js
export function hello() {
  return "Hello";
}

// main.js
import {hello} from 'module'; // or './module'
let val = hello(); // val is "Hello";

Example 2: javascript import

import { module } from "./path"; // single module
import Module from "./path"; // default export

import Module, { module } from "./path"; // both

Example 3: import javascript

/*Imagine a file called math_functions.js that contains several functions
related to mathematical operations. One of them is stored in a variable called
add.*/

//If you want to import one item:
import { add } from './math_functions.js';

//If you want to import multiple items:
import { add, someothervariable } from './math_functions.js';

Example 4: javascript import

//add this to your package.json
//and make sure you are on node version 13.8.0 or above
"type": "module",
import { module } from "./path"; // then you are good to go to use import

Example 5: How to add js file to a site through url

var jsFile = document.createElement("script");
jsFile.src = "homePage.js";  // it can be path also  "{themes('/scripts/homePage.js')}"
document.body.appendChild(jsFile);  //append it as src to body