Get CRM form Type in MS CRM using javascript

getFormType(): Method is used to get the form context for the record. The following table lists the form types that correspond to the return value.
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Xrm.Page.ui.getFormType();

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Form Type Value Undefined 0 Create 1 Update 2 Read Only 3 Disabled 4 Quick Create 5 Bulk Edit 6 Read Optimized 11