fixes js memory leak (#12130)

1 files changed, 6 insertions, 3 deletions

diff --git a/plugins/Dashboard/angularjs/dashboard/dashboard.directive.js b/plugins/Dashboard/angularjs/dashboard/dashboard.directive.js
index 04c1a8e6a5..141be1a97d 100644
--- a/plugins/Dashboard/angularjs/dashboard/dashboard.directive.js
+++ b/plugins/Dashboard/angularjs/dashboard/dashboard.directive.js
@@ -38,7 +38,9 @@
                     name: dashboard ? dashboard.name : ''
                 });
 
-            $('#columnPreview').find('>div').each(function () {
+            var divElements = $('#columnPreview').find('>div');
+
+            divElements.each(function () {
                 var width = [];
                 $('div', this).each(function () {
                     width.push(this.className.replace(/width-/, ''));
@@ -46,8 +48,9 @@
                 $(this).attr('layout', width.join('-'));
             });
 
-            $('#columnPreview').find('>div').on('click', function () {
-                $('#columnPreview').find('>div').removeClass('choosen');
+            divElements.off('click.renderDashboard');
+            divElements.on('click.renderDashboard', function () {
+                divElements.removeClass('choosen');
                 $(this).addClass('choosen');
             });
         }