Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more. Forms are an essential ...

The result is "3" in this simple example. Add numbers in JavaScript by placing a plus sign between them. You can also use the following syntax to perform addition: ...

All Web APIs (Application Programming Interface) supply code so that you don’t have to. They handle the intricate low-level details, allowi ...

In this example that server-side resource is named upload.php; When notified that the JavaScript file upload was successful, send an Ajax based alert to the client. All the HTML and JavaScript logic ...

HTMX is the HTML extension syntax that replaces JavaScript with simple markup. It could change the course of web development.

Save the index.html file and refresh the web browser. Uploads to Node.js will go through Ajax, and thus create a full JavaScript file uploader with JavaScript running both on the client and the server ...