Cannot use import statement outside a module on class export code example
Example 1: cannot use import statement outside a module typescript
// Fix 1
Change .js files to .cjs
// Fix 2
Add "type": "module" to package.json
Example 2: Uncaught SyntaxError: Cannot use import statement outside a module
1. Inside scripts file import the following module
import {a} from "./module.js";
alert(a);
2. add that script inside file you want to use it
<script type="module" src="PATH_TO_FILE"></script>