Within the file ts/app.ts, the following function exists:
function foo() {
console.log('Hello Word');
}
After successful compilation with Webpack, it generates a file named bundle.js. To load this file, use the following script tag:
<script src="dist/bundle.js"></script>
How can I run the function foo from my browser's console?
> foo()
Uncaught ReferenceError: foo is not defined
If you need to access it globally, you can modify the code like this:
function foo() {
console.log('Hello Word');
}
(window as any).foo = foo;
This way, the function will be accessible on the window object. You can then call it using window.foo() or simply foo() since the window object is global.
In JavaScript, variables and functions are private to the module unless explicitly exported. You can export a function like this:
export function foo() {
console.log('Hello Word');
}
Then, you can import the function in other modules like:
import {foo} from "foo";
foo();
Keep in mind that browsers do not natively support import and export syntax yet. Webpack bridges this gap by bundling all modules into a single file (e.g., "dist/bundle.js") with the required bootstrap code for the browser to understand.
It's important for JavaScript to maintain modularity to prevent conflicts between different scripts. This approach ensures a cleaner and more organized development environment.
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