diff --git a/js/console.js b/js/console.js
index 7601768ec6..ee92067ac4 100644
--- a/js/console.js
+++ b/js/console.js
@@ -550,7 +550,7 @@ var PMA_consoleInput = {
                 cursorLine = text.substr(0, editor.prop("selectionStart")).split("\n").length - 1;
                 totalLine = text.split(/\r*\n/).length;
             }
-            if (cursorLine == 0) {
+            if (cursorLine === 0) {
                 upPermitted = true;
             }
             if (cursorLine == totalLine - 1) {
@@ -560,7 +560,7 @@ var PMA_consoleInput = {
             var queryString = false;
             if (upPermitted && event.keyCode == 38) {
                 // Navigate up in history
-                if (PMA_consoleInput._historyCount == 0) {
+                if (PMA_consoleInput._historyCount === 0) {
                     PMA_consoleInput._historyPreserveCurrent = PMA_consoleInput.getText();
                 }
                 nextCount = PMA_consoleInput._historyCount + 1;
@@ -568,11 +568,11 @@ var PMA_consoleInput = {
             }
             else if (downPermitted && event.keyCode == 40) {
                 // Navigate down in history
-                if (PMA_consoleInput._historyCount == 0) {
+                if (PMA_consoleInput._historyCount === 0) {
                     return;
                 }
                 nextCount = PMA_consoleInput._historyCount - 1;
-                if (nextCount == 0) {
+                if (nextCount === 0) {
                     queryString = PMA_consoleInput._historyPreserveCurrent;
                 }
                 else {
@@ -721,10 +721,11 @@ var PMA_consoleMessages = {
         var $queries = $('#pma_console .content .console_message_container .query');
         var length = $queries.length;
         var $query = $queries.eq(length - nthLast);
-        if (!$query || (length - nthLast) < 0)
+        if (!$query || (length - nthLast) < 0) {
             return false;
-        else
+        } else {
             return $query.text();
+        }
     },
     /**
      * Used for log new message