import js file in js code example

Example 1: import js in html

<script type="text/javascript" src="yourfile.js"></script>

Example 2: include other js files in a js file

document.writeln("<script type='text/javascript' src='Script1.js'></script>");
document.writeln("<script type='text/javascript' src='Script2.js'></script>");

Example 3: 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 4: javascript import

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

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

Example 5: javascript include a js file from another

// jQuery
$.getScript('/path/to/imported/script.js', function()
{
    // script is now loaded and executed.
    // put your dependent JS here.
});

Example 6: how to call a script from another script in javascript

<script type="text/javascript" src="file1.js"></script>
<script type="text/javascript" src="file2.js"></script>
<script type="text/javascript">
    alertOne( );
</script>