Improve the solution

8 years ago · f298427ab8
parent cecb8d1f40
commit f298427ab8
1 changed files with 3 additions and 1 deletions
--- a/index.js
+++ b/index.js
@ -17,7 +17,9 @@ const drawCanvas = function() {
      return;
    }

-    event.target.classList.add(brushClass);
+    if (brushClass) {
+      event.target.classList.add(brushClass);
+    }
  });
 }