transferred Code Ocean from original repository to GitHub

app/assets/javascripts/base.js

@@ -0,0 +1,17 @@
+$(function() {
+  var ANIMATION_DURATION = 500;
+
+  $.isController = function(name) {
+    return $('.container[data-controller="' + name + '"]').isPresent();
+  };
+
+  $.fn.isPresent = function() {
+    return this.length > 0;
+  };
+
+  $.fn.scrollTo = function(selector) {
+    $(this).animate({
+      scrollTop: $(selector).offset().top - $(this).offset().top + $(this).scrollTop()
+    }, ANIMATION_DURATION);
+  };
+});