Don't try to remove the hidden id input more than once.

eggpi · Aug 2, 2018 · b4dd77c · b4dd77c
1 parent e151e5c
commit b4dd77c
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/static/js/category_filter.js b/static/js/category_filter.js
@@ -73,7 +73,6 @@ function CategoryFilter() {
 
   var cin = document.getElementById("category-input");
   var chi = document.getElementById("hidden-category-input");
-  var ihi = document.getElementById("hidden-id-input");
 
   var xhr = null;
   var xhrCounter = 0;
@@ -191,7 +190,8 @@ function CategoryFilter() {
   }
 
   function setHiddenCategoryAndNextId(formElem, nextCategoryId) {
-    if (chi.value !== nextCategoryId) {
+    var ihi = document.getElementById("hidden-id-input");
+    if (ihi !== null && chi.value !== nextCategoryId) {
       formElem.removeChild(ihi);
     }
     chi.value = nextCategoryId;