JAVASCRIPT > Phone ninth digit

JQUERY LIB:
https://raw.githubusercontent.com/cdnjs/cdnjs/master/ajax/libs/jquery.inputmask/3.1.49/jquery.inputmask.bundle.min.js

HTML:
<input type="text" placeholder="Telefone*" name="telefone" class="input-phone" required>

CODE JS:
jQuery(".input-phone").inputmask({ 
  mask: ['(99) 9999-9999', '(99) 99999-9999'], 
  keepStatic: true,
  autoUnmask: true
});