Uncaught SyntaxError: Cannot use import statement outside a module even with module defined javascript code example
Example 1: 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>
Example 2: Uncaught SyntaxError: Cannot use import statement outside a module three.js
<script src="/node_modules/three/examples/jsm/controls/OrbitControls.js"></script>
<script src="/node_modules/three/examples/js/controls/OrbitControls.js"></script>