SPFx : How to create webpart in sharepoint online using SPFX React Framework 

Thank you brother . I am newbie and learning from you

Thanks for video and i have one issue placeholder {tenant Domain} was found in server.json but OS variable SPFX_SERVE_TENANT_DOMAIN is not set. Either set the environment variable or update the serve.json initial page url

Great work man.

Hey Mahfuz, do you have email address someone can reach out to you!

Thanks for video and i have one issue iPlaceholder {tenantDomain} was found in server.json but OS variable SPFX_SERVE_TENANT_DOMAIN is not set. Either set the environment variable or update the serve.json initial page url