diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/CodegenModel.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/CodegenModel.java
index f4dcd074404..d9aea7da624 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/CodegenModel.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/CodegenModel.java
@@ -13,6 +13,13 @@ public class CodegenModel {
     public String unescapedDescription;
     public String defaultValue;
     public List<CodegenProperty> vars = new ArrayList<CodegenProperty>();
+    
+    // list of all required parameters
+    public Set<String> mandatory = new HashSet<String>();
+    
+    // TODO: temporary solution to get a delimited list of default constructor parameters, should be replaced if there is a better way of injecting the mandatory parameters into the mustache templates
+    public String mandatoryParams;
+    
     public Set<String> imports = new HashSet<String>();
     public Boolean hasVars, emptyVars, hasMoreModels, hasEnums;
     public ExternalDocs externalDocs;
diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultCodegen.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultCodegen.java
index 29ccd153d00..e1292cbac95 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultCodegen.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultCodegen.java
@@ -1881,6 +1881,10 @@ public class DefaultCodegen {
                     m.vars.add(cp);
                 }
             }
+            
+            m.mandatory = mandatory;
+            m.mandatoryParams = StringUtils.join(mandatory, ", ");
+
         } else {
             m.emptyVars = true;
             m.hasVars = false;
diff --git a/modules/swagger-codegen/src/main/resources/Javascript/api.mustache b/modules/swagger-codegen/src/main/resources/Javascript/api.mustache
index b4ae1c4096e..6d4f4541649 100644
--- a/modules/swagger-codegen/src/main/resources/Javascript/api.mustache
+++ b/modules/swagger-codegen/src/main/resources/Javascript/api.mustache
@@ -25,7 +25,13 @@ function {{classname}}() {
      }
      {{/required}}{{/allParams}}
     // create path and map variables
-	var {{localVariablePrefix}}path = '{{basePath}}' + replaceAll(replaceAll("{{{path}}}", "\\{format\\}","json"){{#pathParams}}
+    var basePath = '{{basePath}}';
+    // if basePath ends with a /, remove it as path starts with a leading /
+    if (basePath.substring(basePath.length-1, basePath.length)=='/') {
+    	basePath = basePath.substring(0, basePath.length-1);
+    }
+    
+	var {{localVariablePrefix}}path = basePath + replaceAll(replaceAll("{{{path}}}", "\\{format\\}","json"){{#pathParams}}
 , "\\{" + "{{baseName}}" + "\\}", {{localVariablePrefix}}apiClient.escapeString({{{paramName}}}.toString()){{/pathParams}});
 
     var queryParams = {};
@@ -44,10 +50,10 @@ function {{classname}}() {
 
 	path += createQueryString(queryParams);
 
-	if (console) {
-		console.log('path: ' + path);
-		console.log('queryParams: ' + queryParams);
-	}
+	//if (console) {
+		//console.log('path: ' + path);
+		//console.log('queryParams: ' + queryParams);
+	//}
 
     {{#isResponseBinary}}
     byte[] {{localVariablePrefix}}response = null;
diff --git a/modules/swagger-codegen/src/main/resources/Javascript/model.mustache b/modules/swagger-codegen/src/main/resources/Javascript/model.mustache
index ca5e2c3230e..792fde00b12 100644
--- a/modules/swagger-codegen/src/main/resources/Javascript/model.mustache
+++ b/modules/swagger-codegen/src/main/resources/Javascript/model.mustache
@@ -4,16 +4,17 @@
 {{#description}}/**
  * {{description}}
  **/{{/description}}
-function {{classname}}() { {{#parent}}/* extends {{{parent}}}*/{{/parent}}
+function {{classname}}({{mandatoryParams}}) { {{#parent}}/* extends {{{parent}}}*/{{/parent}}
   	var self = this;
   	{{#vars}}
   	/**{{#description}}
 	  * {{{description}}}{{/description}}
-	  * datatype: {{{datatypeWithEnum}}}{{#minimum}}
+	  * datatype: {{{datatypeWithEnum}}}{{#required}}
+	  * required{{/required}}{{#minimum}}
 	  * minimum: {{minimum}}{{/minimum}}{{#maximum}}
 	  * maximum: {{maximum}}{{/maximum}}
 	  **/
-	  self.{{name}} = {{{defaultValue}}};
+	  self.{{name}} = {{#required}}{{name}}{{/required}}{{^required}}{{{defaultValue}}}{{/required}};
 	 {{/vars}}
   
   	self.constructFromObject = function(data) {
@@ -42,6 +43,9 @@ function {{classname}}() { {{#parent}}/* extends {{{parent}}}*/{{/parent}}
   }
   {{/vars}}
 
+  self.toJson = function () {
+  	return JSON.stringify(self);
+  }
 }
 {{/model}}
 {{/models}}