Duplicate email or username validation using Async validator in Angular

This video is to explain how to validate some form fields from Database like email, username.
I will show 3 ways to validate any field asynchronously from API/database with others filed in FormBuilder.

Code base: https://github.com/gitoutofbox/angula...

• #people_blogs
• #async_validator_in_angular
• #duplicate_email_validation
• #duplicate_username_validation
• #duplicate_username_check_in_angular
• #check_if_username_esxists_in_db
• #angular_form_validation
• #angular_from_validation_from_api
• #angular_form_validation_with_promise
• #angular_form_validation_with_observable
• #email_validation_in_angular_8
• #angular_formbuilder
• #form_builder
• #formbuilder_custom_validation
• #formbuilder_custom_validation_rule
• #formbuilder_custom_validation_message
• #sync_valid