Camera zoom control on the web is limited to Chromium browsers, so automatically zooming the camera to read a tiny or distant QR code needs either the native zoom constraint or a simulated fallback. Built on dynamsoft-barcode-reader-bundle v11, Dynamsoft Camera Enhancer provides a built-in auto-zoom feature (EF_AUTO_ZOOM) that does this...

Using the getUserMedia API, we can open cameras on the web with JavaScript. Starting from Chrome 87, it is also possible to control the camera’s pan, tilt, and zoom, giving more possibilities for making a camera web app. In this article, we are going to talk about how to control...