diff --git a/bower.json b/bower.json
index 65aca1467..39fa6ef2b 100644
--- a/bower.json
+++ b/bower.json
@@ -29,7 +29,7 @@
     "Gruntfile.js",
     "demo",
     "package.json",
-    "src/js",
+    "src",
     "README.md",
     "CHANGES.md"
   ]
diff --git a/spec/setup.spec.js b/spec/setup.spec.js
index 85593783a..b003be887 100644
--- a/spec/setup.spec.js
+++ b/spec/setup.spec.js
@@ -48,6 +48,12 @@ describe('Setup/Destroy TestCase', function () {
             spyOn(MediumEditor.prototype, 'setup').and.callThrough();
             editor.setup();
             expect(editor.setup).toHaveBeenCalled();
+            expect(document.querySelector('[data-medium-element]')).toBeTruthy();
+            expect(document.querySelector('[aria-multiline]')).toBeTruthy();
+            expect(document.querySelector('[medium-editor-index]')).toBeTruthy();
+            expect(document.querySelector('[role]')).toBeTruthy();
+            expect(document.querySelector('[spellcheck]')).toBeTruthy();
+            expect(document.querySelector('[contenteditable]')).toBeTruthy();
         });
 
         it('should know about defaults', function () {
@@ -61,6 +67,9 @@ describe('Setup/Destroy TestCase', function () {
             expect(document.querySelector('.medium-editor-toolbar')).toBeTruthy();
             editor.destroy();
             expect(document.querySelector('.medium-editor-toolbar')).toBeFalsy();
+            // ensure only initial attributes are here: the editor class
+            expect(this.el.getAttribute('class')).toBe('editor');
+            expect(this.el.attributes.length).toBe(1);
         });
 
         it('should remove all the added events', function () {
diff --git a/spec/textarea.spec.js b/spec/textarea.spec.js
index 441b3e2e2..f255de638 100644
--- a/spec/textarea.spec.js
+++ b/spec/textarea.spec.js
@@ -54,6 +54,25 @@ describe('Textarea TestCase', function () {
         expect(editor.elements[0].className).toBe('editor test-class test-class-2');
     });
 
+    it('should create unique div ids for multiple textareas', function () {
+        var tas = [];
+        for (var i = 0; i < 12; i++) {
+            var ta = document.createElement('textarea');
+            ta.className = 'editor';
+            ta.value = 'test content';
+            document.body.appendChild(ta);
+            tas.push(ta);
+        }
+        var editor = this.newMediumEditor('.editor');
+        editor.elements.forEach(function (el) {
+            expect(document.querySelectorAll('div#' + el.id).length).toEqual(1);
+        });
+        editor.destroy();
+        tas.forEach(function (el) {
+            document.body.removeChild(el);
+        });
+    });
+
     it('should cleanup after destroy', function () {
         var editor = this.newMediumEditor('.editor');
         expect(this.el.classList.contains('medium-editor-hidden')).toBe(true);
diff --git a/src/js/core.js b/src/js/core.js
index 41e7b8855..4f871da52 100644
--- a/src/js/core.js
+++ b/src/js/core.js
@@ -177,9 +177,9 @@ function MediumEditor(elements, options) {
 
         // Loop through elements and convert textarea's into divs
         this.elements = [];
-        elements.forEach(function (element) {
+        elements.forEach(function (element, index) {
             if (element.tagName.toLowerCase() === 'textarea') {
-                this.elements.push(createContentEditable.call(this, element));
+                this.elements.push(createContentEditable.call(this, element, index));
             } else {
                 this.elements.push(element);
             }
@@ -285,9 +285,9 @@ function MediumEditor(elements, options) {
         return this.options.imageDragging !== false;
     }
 
-    function createContentEditable(textarea) {
+    function createContentEditable(textarea, id) {
         var div = this.options.ownerDocument.createElement('div'),
-            id = (+new Date()),
+            uniqueId = 'medium-editor-' + Date.now() + '-' + id,
             attributesToClone = [
                 'data-disable-editing',
                 'data-disable-toolbar',
@@ -299,7 +299,7 @@ function MediumEditor(elements, options) {
             ];
 
         div.className = textarea.className;
-        div.id = id;
+        div.id = uniqueId;
         div.innerHTML = textarea.value;
         div.setAttribute('medium-editor-textarea-id', id);
         attributesToClone.forEach(function (attr) {
@@ -637,6 +637,8 @@ function MediumEditor(elements, options) {
                 delete this.toolbar;
             }
 
+            this.events.destroy();
+
             this.elements.forEach(function (element) {
                 // Reset elements content, fix for issue where after editor destroyed the red underlines on spelling errors are left
                 if (this.options.spellcheck) {
@@ -646,6 +648,9 @@ function MediumEditor(elements, options) {
                 element.removeAttribute('contentEditable');
                 element.removeAttribute('spellcheck');
                 element.removeAttribute('data-medium-element');
+                element.removeAttribute('medium-editor-index');
+                element.removeAttribute('role');
+                element.removeAttribute('aria-multiline');
 
                 // Remove any elements created for textareas
                 if (element.hasAttribute('medium-editor-textarea-id')) {
@@ -660,8 +665,6 @@ function MediumEditor(elements, options) {
                 }
             }, this);
             this.elements = [];
-
-            this.events.destroy();
         },
 
         on: function (target, event, listener, useCapture) {
diff --git a/src/js/events.js b/src/js/events.js
index fdb5e0a41..5ffcd4004 100644
--- a/src/js/events.js
+++ b/src/js/events.js
@@ -95,6 +95,12 @@ var Events;
             this.detachAllDOMEvents();
             this.detachAllCustomEvents();
             this.detachExecCommand();
+
+            if (this.base.elements) {
+                this.base.elements.forEach(function (element) {
+                    element.removeAttribute('data-medium-focused');
+                });
+            }
         },
 
         // Listening to calls to document.execCommand
diff --git a/src/js/toolbar.js b/src/js/toolbar.js
index b773cab9e..71a7ebf97 100644
--- a/src/js/toolbar.js
+++ b/src/js/toolbar.js
@@ -261,10 +261,10 @@ var Toolbar;
 
         // Checks for existance of multiple block elements in the current selection
         multipleBlockElementsSelected: function () {
-            /*jslint regexp: true*/
-            var selectionHtml = Selection.getSelectionHtml.call(this).replace(/<[\S]+><\/[\S]+>/gim, ''),
-                hasMultiParagraphs = selectionHtml.match(/<(p|h[1-6]|blockquote)[^>]*>/g);
-            /*jslint regexp: false*/
+            var regexEmptyHTMLTags = /<[^\/>][^>]*><\/[^>]+>/gim, // http://stackoverflow.com/questions/3129738/remove-empty-tags-using-regex
+                regexBlockElements = new RegExp('<(' + Util.parentElements.join('|') + ')[^>]*>', 'g'),
+                selectionHTML = Selection.getSelectionHtml.call(this).replace(regexEmptyHTMLTags, ''), // Filter out empty blocks from selection
+                hasMultiParagraphs = selectionHTML.match(regexBlockElements); // Find how many block elements are within the html
 
             return !!hasMultiParagraphs && hasMultiParagraphs.length > 1;
         },