@FocusState SwiftUI examples

@FocusState moves the cursor programmatically, onSubmit chains fields through return, and onChange validates as users type — the wiring of real forms.

SecureField masks input for secrets, pairs with textContentType for password managers and strong-password suggestions, and composes with TextField for reveal toggles.

TextEditor binds long-form scrolling text. Style with font and lineSpacing, restyle backgrounds via scrollContentBackground, and manage the keyboard with focus and toolbars.