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: var x+=y; ...

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 ...

Adding a JavaScript file to a Page using Page Properties. If you only want to use a JavaScript file on one page of your site, it's best to add it to one specific page using that page's Page Properties ...