Content Hiding Of Seattle Master on Basis on Group and Users Permission

<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>

<script type="text/javascript" src="/_layouts/15/init.js"></script>

<script type="text/javascript" src="/_layouts/15/sp.runtime.js"></script>

<script type="text/javascript" src="/_layouts/15/sp.js"></script>

<script type="text/javascript" src="/_layouts/15/MicrosoftAjax.js"></script>

<script type="text/javascript">//<![CDATA[

                var g_pageLoadAnimationParams = { elementSlideIn : "sideNavBox", elementSlideInPhase2 : "contentBox" };

                $(document).ready(function(){

                                disableControls();           

                });

               

                function disableControls()

                {

                var clientContext= SP.ClientContext.get_current();

                var groupCollection = clientContext.get_web().get_siteGroups();

                var group = groupCollection.getById(3);//the SharePoint usergroup

                users = group.get_users();

                clientContext.load(group);

                clientContext.load(users);

                currentUser = clientContext.get_web().get_currentUser();

                clientContext.load(currentUser);

                clientContext.executeQueryAsync(Function.createDelegate(this,this.onQuerySucceeded), Function.createDelegate(this,this.onQueryFailed));

                }

                function onQuerySucceeded()

                {

               

                   if(this.users.get_count() >0)

                               {

                       var UserExistInGroup = false;

                                                          for(var i=0; i < users.get_count(); i++)

                                                          {

                                                          //alert(users.itemAt(i).get_loginName());

                                                                         if(users.itemAt(i).get_loginName() == this.currentUser.get_loginName())

                                                                         {

                                                                                        UserExistInGroup = true;

                                                                                        break;

                                                                         }

                                                          }

                                               }

                                               if (UserExistInGroup)

                                               {

                                             

                               

                                               }

                                               else

                                               {

                             

                        if( window.parent.location.href.indexOf("EditForm.aspx") >= 0)

                                     {

                                                               

                                               

                                     }

                                     else if( window.parent.location.href.indexOf("DispForm.aspx") >= 0)

                                     {

                                                               

                                     }

                                     else

                                     {

                                      $("[id$='globalNavBox']").css('display','none');

                          }

                          $("[id$='suiteLinksBox']").css('display','none');

                          $("[id$='ms-help']").css('display','none');

                          $("[id$='ms-help']").css('display','none');

                          $("#suiteBarLeft").html(" Peguform VDR/GSP VDR Portal");

                          $(".ms-core-sideNavBox-removeLeftMargin").css('display','none');

                          $("#suiteBarLeft").css('font-weight','bold');   

                               }

                }

               

                function onQueryFailed(sender, args)

                {

                }

//]]>

</script>