Show and Hide Fields, Sections and Tabs in Dynamics 365 JavaScript

Introduction

Prerequisites

• You have set up xrm-ex according to this guide: A Guide to Simplify Dynamics 365 JavaScript Development using xrm-ex
  
• You have fields defined in your xrm-ex model, similar to this:
  
  •     class Fields {
            CompanyName = new XrmEx.Class.TextField("companyname");
            Street1 = new XrmEx.Class.TextField("address1_line1");
            City = new XrmEx.Class.TextField("address1_city");
            Country = new XrmEx.Class.TextField("address1_country");
        }
           class Tabs {
            General = new XrmEx.Class.Tab("tab1", {
                Section1: new XrmEx.Class.Section("section1"),
            });
        }
           var fields = new Fields();
           var tabs = new Tabs();