在旧客户端不显示音频下载进度条

src/features/OnlineExam/Examing/QuestionAudio.vue

@@ -62,7 +62,14 @@ export default {
   },
   computed: {
     shouldShowAudio() {
+      let chromeVersion = window.navigator.userAgent
+        .split(" ")
+        .find(v => v.startsWith("Chrome/"));
+      if (chromeVersion) {
+        chromeVersion = +chromeVersion.replace("Chrome/", "").split(".")[0];
+      }
       return (
+        chromeVersion < 76 ||
         this.done ||
         !navigator.serviceWorker ||
         !navigator.serviceWorker.controller