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: ...

You can build many useful web apps with just a few files. You can also extend this simple notes app to add more functionality. For example, you can use the window.location property to retrieve the ...

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 ...