diff --git a/cps/static/js/edit_books.js b/cps/static/js/edit_books.js
index 8f683be4..8cedf688 100644
--- a/cps/static/js/edit_books.js
+++ b/cps/static/js/edit_books.js
@@ -265,7 +265,7 @@ $("#search").on("change input.typeahead:selected", function(event) {
             }
         });
         $("#include_tag option:selected").each(function () {
-            $("#exclude_tag").find("[value="+$(this).val() + "]").prop("disabled", true);
+            $("#exclude_tag").find("[value=" + $(this).val() + "]").prop("disabled", true);
         });
         $("#include_tag").selectpicker("refresh");
         $("#exclude_tag").selectpicker("refresh");
diff --git a/cps/static/js/filter_grid.js b/cps/static/js/filter_grid.js
index 1603f641..d57d155f 100644
--- a/cps/static/js/filter_grid.js
+++ b/cps/static/js/filter_grid.js
@@ -64,7 +64,7 @@ $("#all").click(function() {
 $(".char").click(function() {
     var character = this.innerText;
     $list.isotope({ filter: function() {
-        return this.attributes["data-id"].value.charAt(0).toUpperCase() == character;
-        }
+        return this.attributes["data-id"].value.charAt(0).toUpperCase() === character;
+    }
     });
 });
diff --git a/cps/static/js/main.js b/cps/static/js/main.js
index ba6f726f..a3fed40f 100644
--- a/cps/static/js/main.js
+++ b/cps/static/js/main.js
@@ -55,7 +55,7 @@ $(document).on("change", "select[data-control]", function() {
 $(document).on("change", "select[data-controlall]", function() {
     var $this = $(this);
     var name = $this.data("controlall");
-    var showOrHide = parseInt($this.val());
+    var showOrHide = parseInt($this.val(), 10);
     if (showOrHide) {
         $("[data-related=" + name + "]").show();
     } else {