Visual Studio Code : Auto Save, Auto Reload

• View Command Palette
• Open UI Settings:
• Alter these Values:

Result:
AutoSave every three seconds, followed by File Watcher for Angular 10 apps. means your browser is ready before you can switch screens. Nice!

Angular 11
Hot Module Replacement is a feature of Webpack. The HMR updates your Angular browser instance with just changed content. This will replace the filewatcher method.