Prevent modal from triggering while scrolling

js/modals.js

@@ -28,8 +28,22 @@
       return document.querySelector(modalToggle.hash);
     }
   };
+  
+  var dragging = false;
+  
+  window.addEventListener('touchmove', function () {
+    dragging = true;
+  });
+    
+  window.addEventListener('touchstart', function () {
+    dragging = false;
+  });
 
   window.addEventListener('touchend', function (event) {
+    if (dragging) {
+      return;
+    }
+        
     var modal = getModal(event);
     if (modal) {
       if (modal && modal.classList.contains('modal')) {