diff --git a/dist/js/bootstrap-tags.js b/dist/js/bootstrap-tags.js
index 2a4ffec..37b928d 100644
--- a/dist/js/bootstrap-tags.js
+++ b/dist/js/bootstrap-tags.js
@@ -31,6 +31,7 @@
                 this.caseInsensitive || (this.caseInsensitive = false);
                 this.readOnlyEmptyMessage || (this.readOnlyEmptyMessage = "No tags to display...");
                 this.maxNumTags || (this.maxNumTags = -1);
+                this.allowDuplicates || (this.allowDuplicates = false);
                 this.beforeAddingTag || (this.beforeAddingTag = function(tag) {});
                 this.afterAddingTag || (this.afterAddingTag = function(tag) {});
                 this.beforeDeletingTag || (this.beforeDeletingTag = function(tag) {});
@@ -98,11 +99,13 @@
                     };
                 };
                 this.hasTag = function(tag) {
-                    return _this.tagsArray.indexOf(tag) > -1;
+                    if (!_this.allowDuplicates) {
+                        return _this.tagsArray.indexOf(tag) > -1;
+                    }
                 };
                 this.removeTagClicked = function(e) {
                     if (e.currentTarget.tagName === "A") {
-                        _this.removeTag($("span", e.currentTarget.parentElement).html());
+                        _this.removeTag($("span", e.currentTarget.parentElement).text());
                         $(e.currentTarget.parentNode).remove();
                     }
                     return _this;
@@ -190,7 +193,7 @@
                         e.preventDefault();
                         _this.pressedReturn(e);
                         tag = e.target.value;
-                        if (_this.suggestedIndex !== -1) {
+                        if (_this.suggestedIndex != null && _this.suggestedIndex !== -1) {
                             tag = _this.suggestionList[_this.suggestedIndex];
                         }
                         _this.addTag(tag);
@@ -253,8 +256,10 @@
                     $.each(this.suggestions, function(i, suggestion) {
                         var suggestionVal;
                         suggestionVal = _this.caseInsensitive ? suggestion.substring(0, str.length).toLowerCase() : suggestion.substring(0, str.length);
-                        if (_this.tagsArray.indexOf(suggestion) < 0 && suggestionVal === str && (str.length > 0 || overrideLengthCheck)) {
-                            return _this.suggestionList.push(suggestion);
+                        if (_this.allowDuplicates || _this.tagsArray.indexOf(suggestion) < 0) {
+                            if (suggestionVal === str && (str.length > 0 || overrideLengthCheck)) {
+                                return _this.suggestionList.push(suggestion);
+                            }
                         }
                     });
                     return this.suggestionList;
diff --git a/src/bootstrap-tags.coffee b/src/bootstrap-tags.coffee
index 927a618..9d4acb2 100644
--- a/src/bootstrap-tags.coffee
+++ b/src/bootstrap-tags.coffee
@@ -27,6 +27,7 @@ jQuery ->
     @caseInsensitive ||= false
     @readOnlyEmptyMessage ||= 'No tags to display...'
     @maxNumTags ||= -1
+    @allowDuplicates ||= false
 
     # callbacks
     @beforeAddingTag ||= (tag) ->
@@ -86,7 +87,7 @@ jQuery ->
       tag: @tagsArray[index], content: @popoverArray[index]
 
     @hasTag = (tag) =>
-      @tagsArray.indexOf(tag) > -1
+      if !@allowDuplicates then @tagsArray.indexOf(tag) > -1
 
     ####################
     # add/remove methods
@@ -221,8 +222,9 @@ jQuery ->
       str = str.toLowerCase() if @caseInsensitive
       $.each @suggestions, (i, suggestion) =>
         suggestionVal = if @caseInsensitive then suggestion.substring(0, str.length).toLowerCase() else suggestion.substring(0, str.length)
-        if @tagsArray.indexOf(suggestion) < 0 and suggestionVal == str and (str.length > 0 or overrideLengthCheck)
-          @suggestionList.push suggestion
+        if @allowDuplicates or @tagsArray.indexOf(suggestion) < 0
+          if suggestionVal == str and (str.length > 0 or overrideLengthCheck)
+            @suggestionList.push suggestion
       @suggestionList
 
     # makeSuggestions creates auto suggestions that match the value in the input