JAVASCRIPT

react native textinput turnoff capitalize first letter

// Set autoCapitalize to 'none' to stop first letter cap
<TextInput
     placeholder=""
     placeholderTextColor='rgba(28,53,63, 1)'
     autoCapitalize = 'none'
     value ='test'
     />

react native capitalize first letter

<Text>{str.charAt(0).toUpperCase() + str.slice(1);}</Text>

react native text capitalize

<Text> {'Test'.toUpperCase()} </Text>