diff --git a/code/html/checkboxes.js b/code/html/checkboxes.js
index 115dd4f3..a77b7703 100644
--- a/code/html/checkboxes.js
+++ b/code/html/checkboxes.js
@@ -1,5 +1,5 @@
 // Generated by CoffeeScript 1.6.2
-/*eslint quotes: ["error", "single"]*/
+/*eslint quotes: ["error", "double"]*/
 /*eslint-env es6*/
 
 (function() {
@@ -36,8 +36,10 @@
       this.elem = $(elem);
       opts = $.extend({}, iOSCheckbox.defaults, options);
       for (key in opts) {
-        value = opts[key];
-        this[key] = value;
+        if ({}.hasOwnProperty.call(opts, key)) {
+          value = opts[key];
+          this[key] = value;
+        }
       }
       this.elem.data(this.dataName, this);
       this.wrapCheckboxWithDivs();
@@ -48,27 +50,27 @@
 
     iOSCheckbox.prototype.calculateDimensions = function() {
       if (this.resizeHandle) {
-        this.optionallyResize('handle');
+        this.optionallyResize("handle");
       }
       if (this.resizeContainer) {
-        this.optionallyResize('container');
+        this.optionallyResize("container");
       }
       return this.initialPosition();
     };
 
     iOSCheckbox.prototype.isDisabled = function() {
-      return this.elem.is(':disabled');
+      return this.elem.is(":disabled");
     };
 
     iOSCheckbox.prototype.wrapCheckboxWithDivs = function() {
       this.elem.wrap("<div class='" + this.containerClass + "' />");
       this.container = this.elem.parent();
       this.offLabel = $("<label class='" + this.labelOffClass + "'>\n  <span>" + this.uncheckedLabel + "</span>\n</label>").appendTo(this.container);
-      this.offSpan = this.offLabel.children('span');
+      this.offSpan = this.offLabel.children("span");
       this.onLabel = $("<label class='" + this.labelOnClass + "'>\n  <span>" + this.checkedLabel + "</span>\n</label>").appendTo(this.container);
       this.onBorder = $("<div class='iPhoneCheckBorderOn'</div>").appendTo(this.container);
       this.offBorder = $("<div class='iPhoneCheckBorderOff'</div>").appendTo(this.container);
-      this.onSpan = this.onLabel.children('span');
+      this.onSpan = this.onLabel.children("span");
       this.handle = $("<div class='" + this.handleClass + "'></div>").appendTo(this.container);
       this.handleCenter = $("<div class='" + this.handleCenterClass + "'></div>").appendTo(this.handle);
       this.handleRight = $("<div class='" + this.handleRightClass + "'></div>").appendTo(this.handle);
@@ -92,12 +94,12 @@
     iOSCheckbox.prototype.optionallyResize = function(mode) {
       var newWidth, offLabelWidth, offSpan, onLabelWidth, onSpan;
 
-      onSpan = this.onLabel.find('span');
+      onSpan = this.onLabel.find("span");
       onLabelWidth = this._getDimension(onSpan, "width");
-      onLabelWidth += parseInt(onSpan.css('padding-left'), 10);
-      offSpan = this.offLabel.find('span');
+      onLabelWidth += parseInt(onSpan.css("padding-left"), 10);
+      offSpan = this.offLabel.find("span");
       offLabelWidth = this._getDimension(offSpan, "width");
-      offLabelWidth += parseInt(offSpan.css('padding-right'), 10);
+      offLabelWidth += parseInt(offSpan.css("padding-right"), 10);
       if (mode === "container") {
         newWidth = onLabelWidth > offLabelWidth ? onLabelWidth : offLabelWidth;
         newWidth += this._getDimension(this.handle, "width") + this.handleMargin;
@@ -125,7 +127,7 @@
       x = event.pageX || event.originalEvent.changedTouches[0].pageX;
       iOSCheckbox.currentlyClicking = this.handle;
       iOSCheckbox.dragStartPosition = x;
-      return iOSCheckbox.handleLeftOffset = parseInt(this.handle.css('left'), 10) || 0;
+      return iOSCheckbox.handleLeftOffset = parseInt(this.handle.css("left"), 10) || 0;
     };
 
     iOSCheckbox.prototype.onDragMove = function(event, x) {
@@ -167,14 +169,14 @@
       }
       if (iOSCheckbox.dragging) {
         p = (x - iOSCheckbox.dragStartPosition) / this.rightSide;
-        this.elem.prop('checked', p >= 0.5).change();
+        this.elem.prop("checked", p >= 0.5).change();
       } else {
-        this.elem.prop('checked', !this.elem.prop('checked')).change();
+        this.elem.prop("checked", !this.elem.prop("checked")).change();
       }
       iOSCheckbox.currentlyClicking = null;
       iOSCheckbox.dragging = null;
       if (typeof this.onChange === "function") {
-        this.onChange(this.elem, this.elem.prop('checked'));
+        this.onChange(this.elem, this.elem.prop("checked"));
       }
       return this.didChange();
     };
@@ -184,7 +186,7 @@
     };
 
     iOSCheckbox.prototype.didChange = function() {
-      var new_left;
+      var newLeft;
 
       if (this.isDisabled()) {
         this.container.addClass(this.disabledClass);
@@ -192,18 +194,18 @@
       } else {
         this.container.removeClass(this.disabledClass);
       }
-      new_left = this.elem.prop('checked') ? this.rightSide + 2 : 0;
+      newLeft = this.elem.prop("checked") ? this.rightSide + 2 : 0;
       this.handle.animate({
-        left: new_left
+        left: newLeft
       }, this.duration);
       this.onLabel.animate({
-        width: new_left + this.handleRadius
+        width: newLeft + this.handleRadius
       }, this.duration);
       this.offSpan.animate({
-        marginRight: -new_left
+        marginRight: - newLeft
       }, this.duration);
       return this.onSpan.animate({
-        marginLeft: new_left - this.rightSide
+        marginLeft: newLeft - this.rightSide
       }, this.duration);
     };
 
@@ -216,16 +218,16 @@
       };
       localMouseUp = function(event) {
         self.onGlobalUp.apply(self, arguments);
-        $(document).unbind('mousemove touchmove', localMouseMove);
-        return $(document).unbind('mouseup touchend', localMouseUp);
+        $(document).unbind("mousemove touchmove", localMouseMove);
+        return $(document).unbind("mouseup touchend", localMouseUp);
       };
       this.elem.change(function() {
         return self.refresh();
       });
-      return this.container.bind('mousedown touchstart', function(event) {
+      return this.container.bind("mousedown touchstart", function(event) {
         self.onMouseDown.apply(self, arguments);
-        $(document).bind('mousemove touchmove', localMouseMove);
-        return $(document).bind('mouseup touchend', localMouseUp);
+        $(document).bind("mousemove touchmove", localMouseMove);
+        return $(document).bind("mouseup touchend", localMouseUp);
       });
     };
 
@@ -244,7 +246,7 @@
         offset -= 3;
       }
       this.rightSide = containerWidth - this._getDimension(this.handle, "width") - offset;
-      if (this.elem.is(':checked')) {
+      if (this.elem.is(":checked")) {
         this.handle.css({
           left: this.rightSide
         });
@@ -295,17 +297,17 @@
 
     iOSCheckbox.defaults = {
       duration: 200,
-      checkedLabel: 'ON',
-      uncheckedLabel: 'OFF',
+      checkedLabel: "ON",
+      uncheckedLabel: "OFF",
       resizeHandle: true,
       resizeContainer: true,
-      disabledClass: 'iPhoneCheckDisabled',
-      containerClass: 'iPhoneCheckContainer',
-      labelOnClass: 'iPhoneCheckLabelOn',
-      labelOffClass: 'iPhoneCheckLabelOff',
-      handleClass: 'iPhoneCheckHandle',
-      handleCenterClass: 'iPhoneCheckHandleCenter',
-      handleRightClass: 'iPhoneCheckHandleRight',
+      disabledClass: "iPhoneCheckDisabled",
+      containerClass: "iPhoneCheckContainer",
+      labelOnClass: "iPhoneCheckLabelOn",
+      labelOffClass: "iPhoneCheckLabelOff",
+      handleClass: "iPhoneCheckHandle",
+      handleCenterClass: "iPhoneCheckHandleCenter",
+      handleRightClass: "iPhoneCheckHandleRight",
       dragThreshold: 5,
       handleMargin: 15,
       handleRadius: 4,
@@ -325,7 +327,7 @@
 
     args = 1 <= arguments.length ? __slice.call(arguments, 0) : [];
     dataName = (_ref = (_ref1 = args[0]) != null ? _ref1.dataName : void 0) != null ? _ref : iOSCheckbox.defaults.dataName;
-    _ref2 = this.filter(':checkbox');
+    _ref2 = this.filter(":checkbox");
     for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
       checkbox = _ref2[_i];
       existingControl = $(checkbox).data(dataName);
@@ -349,14 +351,14 @@
     }
     opts = $.extend({}, options, {
       resizeHandle: false,
-      disabledClass: 'iOSCheckDisabled',
-      containerClass: 'iOSCheckContainer',
-      labelOnClass: 'iOSCheckLabelOn',
-      labelOffClass: 'iOSCheckLabelOff',
-      handleClass: 'iOSCheckHandle',
-      handleCenterClass: 'iOSCheckHandleCenter',
-      handleRightClass: 'iOSCheckHandleRight',
-      dataName: 'iOSCheckbox'
+      disabledClass: "iOSCheckDisabled",
+      containerClass: "iOSCheckContainer",
+      labelOnClass: "iOSCheckLabelOn",
+      labelOffClass: "iOSCheckLabelOff",
+      handleClass: "iOSCheckHandle",
+      handleCenterClass: "iOSCheckHandleCenter",
+      handleRightClass: "iOSCheckHandleRight",
+      dataName: "iOSCheckbox"
     });
     return this.iphoneStyle(opts);
   };