fix snapappointments#2092 check existence of select options before ac…

…cessing property 'className'
ordami · Sep 7, 2018 · 62a3eac · 62a3eac
1 parent 9b50d93
commit 62a3eac
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/js/bootstrap-select.js b/js/bootstrap-select.js
@@ -1441,7 +1441,8 @@
       this.sizeInfo.selectWidth = this.$newElement[0].offsetWidth;
 
       text.className = 'text';
-      a.className = 'dropdown-item ' + this.$element.find('option')[0].className;
+      var optionElements = this.$element.find('option');
+      a.className = 'dropdown-item ' + (optionElements.length === 0 ? '' : optionElements[0].className);
       newElement.className = this.$menu[0].parentNode.className + ' ' + classNames.SHOW;
       newElement.style.width = this.sizeInfo.selectWidth + 'px';
       if (this.options.width === 'auto') menu.style.minWidth = 0;