Step towards SharePoint

I fixed the below way, This error was caused due to a syntax error on my part, had two quotes for one of the lines. Once removed, it fixed the problem.

Getting Details var displayName = "" ; function GetUser() {      displayName = $().SPServices.SPGetCurrentUser({      fieldName: "Title"      });          var ctx = new SP.ClientContext.get_current();      this .currentUser = ctx.get_web().get_currentUser();      ctx.load( this .currentUser);      ctx.executeQueryAsync(Function.createDelegate( this , this .onSucceededGetUser),      Function.createDelegate( this , this .onQueryFailed)); }   function onSucceededGetUser(sender, args) {      $( "input[Title='Email']" ).val( this .currentUser.get_email());        } function onQueryFailed(sender, args) {      alert( 'Request failed. ' + args.get_message() + '\n' + args.get_stackTrace()); }   Update Email ID function UpdateUserEmail() {                var ctx = new SP.ClientContext.get_current();      this .currentUser = ctx.get_web().get_currentUser();      var em