how to convert lower case to upper case in css code example
Example: input uppercase with css
<input oninput="let p = this.selectionStart; this.value = this.value.toUpperCase();this.setSelectionRange(p, p);" />
<input oninput="let p = this.selectionStart; this.value = this.value.toUpperCase();this.setSelectionRange(p, p);" />