Lær at skabe moderne, hurtige og fleksible webapplikationer til mobilenheder og computere, baseret på de nyeste teknologier. Vi dækker de mest populære og succesfulde webmønstre og teknologier, og optimerer ydeevnen og udføre debugging og tests. Tilgængelighed og video går vi også i dybden med. Kurset opdateres jævnligt for at holde trit med det sidste nye. Undervisningen foregår på engelsk.

JavaScript 202X(ECMAScript)

Well cover basic syntax as well as useful new additions to the language. Most notable: Variable declarations with let, var and const; Class syntax; Modules; Template strings; Arrow functions; Default parameters in functions; for..of loops; Promises and async/await asynchronous function handling; Destructuring; Rest and Spread operators for quick array and object manipulations; Maps (key-value pairs) and Sets (unique values); Modules and Lazy Loading.

CSS 202X

Explaining CSS precedence. Both well known and the latests selectors, pseudo classes and pseudo elements are discussed as well as style attributes. Techniques to adjust to the screen size are responsive images as well as Web Fonts and flexible font sizes. CSS Flexbox (1 dimension layout), CSS Grid (2 dimension layout) and CSS Custom Properties will be covered. The Grid allows forlayouts that were previously impossible or could only be achieved with JavaScript. Grid also surpasses Bootstrap in possibilities, flexibility and has a simpler markup.

HTML 5.Xand beyond

Basics like the Document Object Model (DOM) and manipulation thereof as well as the working of the eventsystem are covered. Well dive deeperinto handling both touch and mouse event to work with all types of devices, not only desktops. HTML Forms input types and validation methods are covered.

Progressive WebApps

Progressive Web Apps (PWA) is a set of technologies you can use to enhance a website with application behaviour:
- Installable: The website can be added to the home screen of the device.
- Web App Manifest: Defining the icon, home screen title, splash screen, background color and home page.
- Fetch: Simple and powerful API to fetch resources (successor of XMLHttpRequest).
- Offline and online behaviour: No matterif there is a network connection, the app will work using Service Workers to controlrequests and toring responses to requests offline using the Cache API, Web Storage or IndexedDB.
- Notifications. Send updates from the serverto the app with the Push API and use the Notification API to generate system notifications even if the app is notrunning.
- Safe: Only https (orlocalhost for development).
- Progressive: Use the above technologies if they are available, but the page (app) will work if the devices browseris less capable.
- Stores: PWA can even be published to the Microsoft Store and become Windows Apps.
- Payment: How to integrate payments
- Share API: Share data with other apps

Storage

Data storage within the browser are covered with 3 techniques:
- Storage API, Local & Session storage when you dont want to store too much data.
- IndexedDB API (version 2), is an object database with more capacity.
- Cache API for use with Progressive Web Apps.

Accessibility

Explaining techniques to keep your designs accessible forthe visual impaired.

Performance

Subjects:
- Compression and minification of images, scripts, css, etc.
- To inline or not to inline?
- Async loading of scripts.
- How to measure performance?

Debugging

Explaining how to use the developertools in the browser:
- Setting breakpoints in code or when events happen
- Using the console
- Dynamically making changes forimmediate feedback
- Debugging CSS specificity and computed styles.
- Storybook

Testing

Browsers offer support to test on devices with different capabilities like screen sizes and connection speeds. Well also cover writing JavaScript unit tests.

Video & Audio

Answers: How to add video & audio elements? How to create subtitles and picture-in-picture video?