CRUD Operations with javascript from V9.0

Microsoft introduced an awesome feature for developers with V9.0 called Xrm.WebApi. With this feature it is very easy to perform CRUD operations using javascript code. Earlier to v9.0, to perform CRUD operation in Dynamics CRM we need to create our own library or used other third party libraries or used XmlHttpRequest and ajax request. Example code to perform CRUD operations using Xrm.WebApi feature

  1. Create
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2. Update

3. Delete

4. Retrieve