Server-Sent Events allow a web page to get updates from a server. Server-Sent Events – One Way Messaging A server-sent event is when a web page automatically gets updates from a server. This was also possible before, but the web page would have to ask if any updates were available. With server-sent events, the updates […]
A web worker is a JavaScript running in the background, without affecting the performance of the page. What is a Web Worker? When executing scripts in an HTML page, the page becomes unresponsive until the script is finished. A web worker is a JavaScript that runs in the background, independently of other scripts, without affecting […]
HTML web storage; better than cookies. What is HTML Web Storage? With web storage, web applications can store data locally within the user’s browser. Before HTML5, application data had to be stored in cookies, included in every server request. Web storage is more secure, and large amounts of data can be stored locally, without affecting […]
Drag and Drop Drag and drop is a very common feature. It is when you “grab” an object and drag it to a different location. In HTML5, drag and drop is part of the standard: Any element can be draggable. Browser Support The numbers in the table specify the first browser version that fully supports […]
Locate the User’s Position The HTML Geolocation API is used to get the geographical position of a user. Since this can compromise privacy, the position is not available unless the user approves it. Note: Geolocation is most accurate for devices with GPS, like iPhone. Browser Support The numbers in the table specify the first browser version […]
