qrcode-decoder/doc/api.md

Api

QrcodeDecoder()

User new to create a decoder object.

var qr = new QrcodeDecoder();

decodeFromImage(img, options)

Decodes an image from url or an <img> element with a src attribute set.

qr.decodeFromImage(img).then((res) => {
    console.log(res);
});

Demo

decodeFromVideo(videoElem, options)

Decodes directly from a video with a well specified src attribute

qr.decodeFromVideo(videoElement).then((res) => {
    console.log(res);
});

Demo

decodeFromCamera(videoElem, options)

Decodes from a videoElement.

qr.decodeFromCamera(videoElem).then((res) => {
    console.log(res);
});

Demo

stop()

Stops the current qr from searching for a QRCode.