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

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

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

Great work man.

Thank you brother . I am newbie and learning from you

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