Small JS code improvements

Author: GuillaumeGomez

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

@@ -112,10 +112,6 @@ window.initSearch = function(rawSearchIndex) {
      *  @type {Array<Row>}
      */
     let searchIndex;
-    /**
-     *  @type {Array<string>}
-     */
-    let searchWords = [];
     let currentResults;
     const ALIASES = {};
     const params = searchState.getQueryStringParams();
@@ -2118,7 +2114,10 @@ window.initSearch = function(rawSearchIndex) {
         search(undefined, true);
     }
 
-    searchWords = buildIndex(rawSearchIndex);
+    /**
+     *  @type {Array<string>}
+     */
+    const searchWords = buildIndex(rawSearchIndex);
     registerSearchEvents();
 
     function runSearchIfNeeded() {

src/librustdoc/html/static/js/settings.js

@@ -1,7 +1,7 @@
-// Local js definitions:
 /* eslint-env es6 */
 /* eslint no-var: "error" */
 /* eslint prefer-const: "error" */
+// Local js definitions:
 /* global getSettingValue, getVirtualKey, onEachLazy, updateLocalStorage, updateSystemTheme */
 /* global addClass, removeClass */