Replace string.substr and string.slice with string.substring

Improves semantic clarity, and it's recommended to not use substr.

1 files changed, 1 insertions, 1 deletions

diff --git a/ext/bg/js/search.js b/ext/bg/js/search.js
index 56316217..ec5a5972 100644
--- a/ext/bg/js/search.js
+++ b/ext/bg/js/search.js
@@ -207,7 +207,7 @@ class DisplaySearch extends Display {
             const match = /[\*\uff0a]+$/.exec(query);
             if (match !== null) {
                 details.wildcard = true;
-                query = query.substr(0, query.length - match[0].length);
+                query = query.substring(0, query.length - match[0].length);
             }
 
             const valid = (query.length > 0);