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HTML

              
                <div id="screen-initial">
  <h1 id="msg">Loading...</h1>
  <progress id="load-progress" value="0" max="100"></progress>
</div>

<div id="screen-start" class="hidden">
  <input
         id="image-file"
         type="file"
         accept="image/*"
         capture="environment"
         />
  <label for="image-file">Scan from file</label>
</div>

<div id="screen-scanning" class="hidden">
  <h1>Processing...</h1>
  <img id="target-image" />
</div>
              
            
!

CSS

              
                * {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
}

html {
  margin: 0;
  padding: 0;
  font-size: 16px;
  line-height: 24px;
  font-family: sans-serif;
}

body {
  display: flex;
  min-height: 100%;
  margin: 0;
  padding: 1.5rem;
  justify-content: center;
  align-items: center;
}

#screen-initial,
#screen-scanning {
  display: block;
  width: 100%;
  height: 100%;
}

/* Rules for better readability */
img {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
}

video {
  width: 100%;
  height: 100%;
}

textarea {
  display: block;
}

/* Camera feedback */
#screen-scanning {
  position: relative;
}

#camera-feedback {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;

  width: 100%;
  height: 100%;
}

#camera-guides {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  text-align: center;
  font-weight: bold;
}

/* Auxiliary classes */
.hidden {
  display: none !important;
}

              
            
!

JS

              
                /**
 * BlinkID In-browser SDK demo app which demonstrates how to:
 *
 * - Change default SDK settings
 * - Scan front side of the identity document with web camera
 * - Provide visual feedback to the end-user during the scan
 */

// General UI helpers
const initialMessageEl = document.getElementById("msg");
const progressEl = document.getElementById("load-progress");
const scanImageElement = document.getElementById("target-image");
const inputImageFile = document.getElementById("image-file");
/**
 * Check browser support, customize settings and load WASM SDK.
 */
function main() {
    // Check if browser has proper support for WebAssembly
    if (!BlinkIDSDK.isBrowserSupported()) {
        initialMessageEl.innerText = "This browser is not supported!";
        return;
    }
    // 1. It's possible to obtain a free trial license key on microblink.com
    const licenseKey =  "sRwAAAYHY2Rwbi5pb5ZgjD0UloirGkl5CZLN/5Kx6E92R00Hs2R+VMM6RxDczin4Ip1IuwC7s6oc3R1FvsV1ywzJ4Ew1nt9yl7jnKQ5yK85HFZAxX9rNymC0QQvMWHuzFNqs0mIVGlfjDZfKzXfLDiiRwR7fUaULUA5MZci10KjYLcEz3ixWI2OLcTZs/lnZXMLmBzlmUxPQVA45xWjxEnMfgI9bpaFfXu+lqQctDLtQ51zx9Ua1fANjR5IT/PGTTgubbp4K1Yg5cQRqWcopP+f/U6zKUz8htmLlgusZt4muGHELqlSE+Rg9+TNInxk/5H9iFhHztyDSYItforT6a7CpmRU/Zy36tOEm1ztV";

    // 2. Create instance of SDK load settings with your license key
    const loadSettings = new BlinkIDSDK.WasmSDKLoadSettings(licenseKey);

    // [OPTIONAL] Change default settings
    // Show or hide hello message in browser console when WASM is successfully loaded
    loadSettings.allowHelloMessage = true;
    // In order to provide better UX, display progress bar while loading the SDK
    loadSettings.loadProgressCallback = (progress) =>
        (progressEl.value = progress);
    // Set relative or absolute location of the engine, i.e. WASM and support JS files
    loadSettings.engineLocation = "https://unpkg.com/@microblink/blinkid-in-browser-sdk@5.16.0/resources/";

    // 3. Load SDK
    BlinkIDSDK.loadWasmModule(loadSettings).then(
        (sdk) => {
            document.getElementById("screen-initial")?.classList.add("hidden");
            document.getElementById("screen-start")?.classList.remove("hidden");
            document
                .getElementById("image-file")
                ?.addEventListener("change", (ev) => {
                    ev.preventDefault();
                    startScan(sdk, ev.target.files);
                });
        },
        (error) => {
            initialMessageEl.innerText = "Failed to load SDK!";
            console.error("Failed to load SDK!", error);
        }
    );
}
/**
 * Scan single side of identity document with web camera.
 */
async function startScan(sdk, fileList) {
    document.getElementById("screen-start")?.classList.add("hidden");
    document.getElementById("screen-scanning")?.classList.remove("hidden");
    // 1. Create a recognizer objects which will be used to recognize single image or stream of images.
    //
    // Generic ID Recognizer - scan various ID documents
    // ID Barcode Recognizer - scan barcodes from various ID documents
    const genericIDRecognizer = await BlinkIDSDK.createBlinkIdRecognizer(sdk);
    const idBarcodeRecognizer = await BlinkIDSDK.createIdBarcodeRecognizer(sdk);
    // 2. Create a RecognizerRunner object which orchestrates the recognition with one or more
    //    recognizer objects.
    const recognizerRunner = await BlinkIDSDK.createRecognizerRunner(
        // SDK instance to use
        sdk,
        // List of recognizer objects that will be associated with created RecognizerRunner object
        [genericIDRecognizer],
        // [OPTIONAL] Should recognition pipeline stop as soon as first recognizer in chain finished recognition
        false
    );
    // 3. Prepare image for scan action - keep in mind that SDK can only process images represented in
    //    internal CapturedFrame data structure. Therefore, auxiliary method "captureFrame" is provided.
    // Make sure that image file is provided
    let file = null;
    const imageRegex = RegExp(/^image\//);
    for (let i = 0; i < fileList.length; ++i) {
        if (imageRegex.exec(fileList[i].type)) {
            file = fileList[i];
        }
    }
    if (!file) {
        alert("No image files provided!");
        // Release memory on WebAssembly heap used by the RecognizerRunner
        recognizerRunner?.delete();
        // Release memory on WebAssembly heap used by the recognizer
        genericIDRecognizer?.delete();
        idBarcodeRecognizer?.delete();
        inputImageFile.value = "";
        return;
    }
    scanImageElement.src = URL.createObjectURL(file);
    await scanImageElement.decode();
    const imageFrame = BlinkIDSDK.captureFrame(scanImageElement);
    // 4. Start the recognition and await for the results
    const processResult = await recognizerRunner.processImage(imageFrame);
    // 5. If recognition was successful, obtain the result and display it
    if (processResult !== BlinkIDSDK.RecognizerResultState.Empty) {
        const genericIDResults = await genericIDRecognizer.getResult();
        if (genericIDResults.state !== BlinkIDSDK.RecognizerResultState.Empty) {
            console.log("BlinkIDGeneric results", genericIDResults);
            alert(`Hello, ${
                genericIDResults.firstName || genericIDResults.mrz.secondaryID
            } ${genericIDResults.lastName || genericIDResults.mrz.primaryID}!
You were born on ${
                genericIDResults.dateOfBirth.year ||
                genericIDResults.mrz.dateOfBirth.year
            }-${
                genericIDResults.dateOfBirth.month ||
                genericIDResults.mrz.dateOfBirth.month
            }-${
                genericIDResults.dateOfBirth.day ||
                genericIDResults.mrz.dateOfBirth.day
            }.`);
        }
        const idBarcodeResult = await idBarcodeRecognizer.getResult();
        if (idBarcodeResult.state !== BlinkIDSDK.RecognizerResultState.Empty) {
            console.log("IDBarcode results", idBarcodeResult);
            alert(`Hello, ${idBarcodeResult.firstName} ${idBarcodeResult.lastName}!
You were born on ${idBarcodeResult.dateOfBirth.year}-${idBarcodeResult.dateOfBirth.month}-${idBarcodeResult.dateOfBirth.day}.`);
        }
    } else {
        alert("Could not extract information!");
    }
    // 7. Release all resources allocated on the WebAssembly heap and associated with camera stream
    // Release memory on WebAssembly heap used by the RecognizerRunner
    recognizerRunner?.delete();
    // Release memory on WebAssembly heap used by the recognizer
    genericIDRecognizer?.delete();
    idBarcodeRecognizer?.delete();
    // Hide scanning screen and show scan button again
    inputImageFile.value = "";
    document.getElementById("screen-start")?.classList.remove("hidden");
    document.getElementById("screen-scanning")?.classList.add("hidden");
}
// Run
main();

              
            
!
999px

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