test

ui/media/main.js

@@ -252,12 +252,8 @@ function playSound() {
        audio.preload = "auto";
        audio.onerror = reject;
        audio.onended = resolve;
-       audio.volume = 0.2
-       try {
-         audio.play();
-       } catch(e) {
-         reject();
-       }
+       audio.volume = 0.2;
+       audio.play().catch(reject);
    }).catch(function() {
        // Probablt just not supported by your environment
        soundSupport = false