Resolved js bug "Xpath is not a funtion", A variable was overriding the xpath function name

Author: hassanakram

lib/heatmap/rails/helper.rb

@@ -99,9 +99,8 @@ def save_heatmap(options = {})
 });
 
 function xpathstring(event) {
-  var
-  e = event.srcElement || event.originalTarget,
-  path = xpath(e, '');;
+  var e = event.srcElement || event.originalTarget,
+  path = xpath(e, '');
   return path
 }
 function xpath(element, suffix) {
@@ -214,8 +213,8 @@ def show_heatmap(path,type = false)
   function getElement(xpath){
      return document.evaluate(xpath, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
   }
-  var xpath = JSON.parse('#{raw(@data_xpaths.to_json.html_safe)}');
-  var data_xpath = xpath.map(function(path){
+  var xpath_current = JSON.parse('#{raw(@data_xpaths.to_json.html_safe)}');
+  var data_xpath = xpath_current.map(function(path){
     if (path != null) {
       element = getElement(path.xpath);
       if (element != null){

lib/heatmap/rails/version.rb

@@ -1,5 +1,5 @@
 module Heatmap
   module Rails
-    VERSION = "0.1.3"
+    VERSION = "0.1.4"
   end
 end