keep the old name alive for old versions

Tom-Dynamsoft · Tom-Dynamsoft · commit 07b3946ee9ae · 2022-04-19T09:25:54.000+08:00
diff --git a/1.hello-world/1.minimum-code.html b/1.hello-world/1.minimum-code.html
@@ -0,0 +1,63 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1.0">
+    <meta name="description" content="Quickly read barcodes with Dynamsoft Barcode Reader from a live camera stream.">
+    <meta name="keywords" content="camera based barcode reading">
+    <title>Dynamsoft Barcode Reader Sample - Hello World (Decoding via Camera)</title>
+</head>
+
+<body>
+    Loading...
+    <script src="https://cdn.jsdelivr.net/npm/dynamsoft-javascript-barcode@9.0.0/dist/dbr.js"></script>
+    <script>
+        /** LICENSE ALERT - README 
+         * To use the library, you need to first specify a license key using the API "license" as shown below.
+         */
+
+        Dynamsoft.DBR.BarcodeReader.license = 'DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9';
+
+        /** 
+         * You can visit https://www.dynamsoft.com/customer/license/trialLicense?utm_source=github&product=dbr&package=js to get your own trial license good for 30 days. 
+         * Note that if you downloaded this sample from Dynamsoft while logged in, the above license key may already be your own 30-day trial license.
+         * For more information, see https://www.dynamsoft.com/barcode-reader/programming/javascript/user-guide/?ver=9.0.0&utm_source=github#specify-the-license or contact support@dynamsoft.com.
+         * LICENSE ALERT - THE END 
+         */
+
+        window.onload = async function() {
+            try {
+                const scanner = await Dynamsoft.DBR.BarcodeScanner.createInstance();
+                /** 
+                 * onFrameRead is triggered after the library finishes reading a frame image.
+                 * There can be multiple barcodes on one image.
+                 */
+                scanner.onFrameRead = results => {
+                    console.log("Barcodes on one frame:");
+                    for (let result of results) {
+                        console.log(result.barcodeFormatString + ": " + result.barcodeText);
+                    }
+                };
+                /**
+                 * onUniqueRead is triggered only when a 'new' barcode is found.
+                 * The amount of time that the library 'remembers' a barcode is defined by 
+                 * "duplicateForgetTime" in "ScanSettings". By default it is set to 3000 ms.
+                 */
+                scanner.onUniqueRead = (txt, result) => {
+                    alert(txt);
+                    console.log("Unique Code Found: ", result);
+                }
+                /**
+                 * show() opens the camera and shows the video stream on the page. 
+                 * After that, the library starts to scan the frame images continuously.
+                 */
+                await scanner.show();
+            } catch (ex) {
+                throw ex;
+            }
+        };
+    </script>
+</body>
+
+</html>
