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code improve
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‎1.hello-world/10.read-video-pwa/helloworld-pwa.html‎

Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
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<meta name="keywords" content="read barcode from camera in PWA">
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<title>Dynamsoft Barcode Reader PWA Sample - Hello World (Decoding via Camera)</title>
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<script src="https://cdn.jsdelivr.net/npm/dynamsoft-javascript-barcode@8.8.7/dist/dbr.js"></script>
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<link rel="manifest" href="./helloworld-pwa.webmanifest">
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<link rel="manifest" href="./helloworld-pwa.json">
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</head>
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<body>
@@ -38,18 +38,18 @@ <h1 style="font-size: 1.5em;">Hello World for PWA</h1>
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}
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});
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try {
41-
let scanner = await (pScanner = pScanner || Dynamsoft.DBR.BarcodeScanner.createInstance());
42-
scanner.onFrameRead = results => {
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pScanner = pScanner || await Dynamsoft.DBR.BarcodeScanner.createInstance();
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pScanner.onFrameRead = results => {
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console.log("Barcodes on one frame:");
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for (let result of results) {
4545
console.log(result.barcodeFormatString + ": " + result.barcodeText);
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}
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};
48-
scanner.onUnduplicatedRead = (txt, result) => {
48+
pScanner.onUnduplicatedRead = (txt, result) => {
4949
latestResult = txt;
50-
console.log("Unique Code Found: " + result);
50+
alert(txt, result);
5151
}
52-
await scanner.show();
52+
await pScanner.show();
5353
} catch (ex) {
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alert(ex.message);
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throw ex;

1.hello-world/10.read-video-pwa/helloworld-pwa.webmanifest renamed to 1.hello-world/10.read-video-pwa/helloworld-pwa.json

File renamed without changes.

‎1.hello-world/10.read-video-pwa/service-worker.js‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@ const cacheName = 'helloworld-pwa';
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const appShellFiles = [
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'./helloworld-pwa.html',
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'./dbr-big.png',
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'./helloworld-pwa.webmanifest',
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'./helloworld-pwa.json',
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];
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// Installing Service Worker

‎1.hello-world/11.read-video-requirejs.html‎

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -14,7 +14,6 @@ <h1 style="font-size: 1.5em;">Hello World for RequireJS</h1>
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<script src="https://cdn.jsdelivr.net/npm/requirejs@2.3.6/require.js"></script>
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<script>
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requirejs(['https://cdn.jsdelivr.net/npm/dynamsoft-javascript-barcode@8.8.7/dist/dbr.js'], function({
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DBR,
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BarcodeReader,
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BarcodeScanner
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}) {

‎1.hello-world/12.minimum-code-es6.html‎

Lines changed: 73 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,73 @@
1+
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width,initial-scale=1.0">
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<meta name="description" content="Quickly read barcodes with Dynamsoft Barcode Reader from a live camera stream.">
8+
<meta name="keywords" content="camera based barcode reading">
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<title>Dynamsoft Barcode Reader Sample - Hello World (Decoding via Camera)</title>
10+
<!--
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This sample makes use of the library hosted by the CDN jsDelivr. If you would rather use the
12+
library offline. Please see the guide on how to host the library:
13+
https://www.dynamsoft.com/barcode-reader/programming/javascript/user-guide/?ver=latest#host-the-library-yourself-recommended
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-->
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</head>
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<body>
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<h1 style="font-size: 1.5em;">Read Barcodes from a Camera</h1>
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<button id="btn-show-scanner">Show Barcode Scanner</button>
20+
<script type="module">
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/** LICENSE ALERT - README
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*
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* The library requires a license to work.
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* If the license is not specified, a free public trial license will be used by default which is the case in this sample.
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* Note that network connection is required for the public license to work.
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* For more info, please check https://www.dynamsoft.com/barcode-reader/programming/javascript/user-guide/?ver=8.8.7&utm_source=github#specify-the-license or contact support@dynamsoft.com.
27+
*/
28+
29+
/* When using your own license, uncomment the following line and specify your license. */
30+
31+
// Dynamsoft.DBR.BarcodeReader.license = "YOUR-ORGANIZATION-ID or YOUR-HANDSHAKECODE or AN-OFFLINE-LICENSE or ANY-OTHER-TYPE-OF-SUPPORTED-LICENSE-STRING";
32+
33+
/** LICENSE ALERT - THE END */
34+
import { DBR, BarcodeScanner } from 'https://cdn.jsdelivr.net/npm/dynamsoft-javascript-barcode@8.8.7/dist/dbr.mjs';
35+
36+
// DBR.productKeys = "PRODUCT-KEYS";
37+
38+
DBR.engineResourcePath = "https://cdn.jsdelivr.net/npm/dynamsoft-javascript-barcode@8.8.7/dist/";
39+
40+
41+
let pScanner = null;
42+
document.getElementById('btn-show-scanner').addEventListener('click', async () => {
43+
try {
44+
pScanner = pScanner || await BarcodeScanner.createInstance();
45+
/*
46+
* onFrameRead is triggered after the library finishes reading a frame.
47+
* There can be one or multiple barcodes on each frame.
48+
*/
49+
pScanner.onFrameRead = results => {
50+
console.log("Barcodes on one frame:");
51+
for (let result of results) {
52+
console.log(result.barcodeFormatString + ": " + result.barcodeText);
53+
}
54+
};
55+
/*
56+
* onUnduplicatdRead is triggered only when a 'new' barcode is found.
57+
* The amount of time that the library 'remembers' a barcode is defined by
58+
* "duplicateForgetTime" in "ScanSettings". By default it is set to 3000 ms.
59+
*/
60+
pScanner.onUnduplicatedRead = (txt, result) => {
61+
alert(txt);
62+
console.log("Unique Code Found: " + result);
63+
}
64+
await pScanner.show();
65+
} catch (ex) {
66+
alert(ex.message);
67+
throw ex;
68+
}
69+
});
70+
</script>
71+
</body>
72+
73+
</html>

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