Don't process touchmove events if they can't be canceled

If the event cannot be canceled, the browser will continue to scroll while looking up results, which makes it very difficult to control where the lookup cursor is. Chrome also logs error messages that this is invalid.

1 files changed, 1 insertions, 1 deletions

diff --git a/ext/fg/js/frontend.js b/ext/fg/js/frontend.js
index bd652f3b..97849a09 100644
--- a/ext/fg/js/frontend.js
+++ b/ext/fg/js/frontend.js
@@ -192,7 +192,7 @@ class Frontend {
     }
 
     onTouchMove(e) {
-        if (!this.scrollPrevent || this.primaryTouchIdentifier === null) {
+        if (!this.scrollPrevent || !e.cancelable || this.primaryTouchIdentifier === null) {
             return;
         }