Update 6 files

- /js/main.js
- /search.html
- /_layouts/default.html
- /_layouts/post.html
- /_includes/anchor_headings.html
- /_config.yml

js/main.js

@@ -42,16 +42,8 @@ $(function () {
 });
 
 $(function() {
-    function getQueryVariable(variable){
-           var query = window.location.search.substring(1);
-           var vars = query.split("&");
-           for (var i=0;i<vars.length;i++) {
-                   var pair = vars[i].split("=");
-                   if(pair[0] == variable){return pair[1];}
-           }
-           return(false);
-    }
-    var keyword = decodeURI(getQueryVariable("kw"));
+    const urlParams = new URLSearchParams(window.location.search);
+    const keyword = urlParams.get('kw')?.trim();
 
     if (!keyword) return;