AC-12481: JS code optimised

Author: nishant04412

app/code/Magento/CatalogSearch/view/adminhtml/web/js/search-engine-comment.js

@@ -10,19 +10,23 @@ require([
     'use strict';
 
     $(function () {
-        const engineField = $('#catalog_search_engine'),
-            commentContainer = $('#row_catalog_search_engine p');
+        const engineField = $('#catalog_search_engine');
+        const commentContainer = $('#row_catalog_search_engine p');
 
-        engineField.change(() => {
-            const engineValue = engineField.val();
-            let commentText = $.mage.__('If not specified, Default Search Engine will be used.');
+        const updateCommentText = () => {
+            const engineValue = engineField.val(),
+                defaultText = $.mage.__('If not specified, Default Search Engine will be used.'),
+                unsupportedText = $.mage.__('This search engine option is no longer supported by Adobe. ' +
+                    'It is recommended to use OpenSearch as a search engine instead.'),
+                newCommentText = ['elasticsearch7', 'elasticsearch8'].includes(engineValue) ?
+                    unsupportedText : defaultText;
 
-            if (['elasticsearch7', 'elasticsearch8'].includes(engineValue)) {
-                commentText = $.mage.__('This search engine option is no longer supported by Adobe. ' +
-                    'It is recommended to use OpenSearch as a search engine instead.');
+            if (commentContainer.text() !== newCommentText) {
+                commentContainer.text(newCommentText);
             }
+        };
 
-            commentContainer.text(commentText);
-        });
+        engineField.change(updateCommentText);
+        updateCommentText();
     });
 });