Using jQuery, how can I add a default value of http:// into an input field that can’t be removed, but that still allows you to type a URL after it?
http://
Defa
Material UI Inputs can accept an input adornment prop for prefixes or suffixes:
https://material-ui.com/api/input-adornment/
Kg, }} /> Kg} aria-describedby="standard-weight-helper-text" inputProps={{ 'aria-label': 'weight', }} />