use ===

Author: lolbinarycat

src/librustdoc/html/static/js/search.js

@@ -2718,7 +2718,7 @@ class DocSearch {
             const isMixedCase = normalizedUserQuery !== userQuery;
             const result_list = [];
             const isReturnTypeQuery = parsedQuery.elems.length === 0 ||
-                typeInfo == "returned";
+                typeInfo === "returned";
             for (const result of results.values()) {
                 result.item = this.searchIndex[result.id];
                 result.word = this.searchIndex[result.id].word;