From 4fc6a9933882378f0cad66827bb79c2124d365e9 Mon Sep 17 00:00:00 2001
From: lehtint6 <teemu.t.lehtinen@aalto.fi>
Date: Thu, 2 Apr 2020 10:45:42 +0300
Subject: [PATCH] Prevent grader of clicking null
---
content.js | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/content.js b/content.js
index 9ec6ab4..5289a14 100644
--- a/content.js
+++ b/content.js
@@ -598,9 +598,11 @@ let Content = {
let p = 0;
['C4', 'D4', 'D#4', 'C#4', 'E4'].forEach(function (id) {
let b = doc.getElementById(id);
- b.click();
- p += b.classList.contains('last-played') ? 1 : 0;
- p += doc.querySelectorAll('.last-played').length == 1 ? 1 : 0;
+ if (b) {
+ b.click();
+ p += b.classList.contains('last-played') ? 1 : 0;
+ p += doc.querySelectorAll('.last-played').length == 1 ? 1 : 0;
+ }
});
return { points: p };
},
--
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