JSFiddle - React, Tailwind, and code Playground

HTML

<select id="a">
  <option value='1'>1</option>
  <option value='2'>2</option>
  <option value='3'>3</option>
</select>
<select id="b">
  <option value='1'>1</option>
  <option value='2'>2</option>
  <option value='3'>3</option>
</select>
<select id="c">
  <option value='1'>1</option>
  <option value='2'>2</option>
  <option value='3'>3</option>
</select>

JavaScript

$('#b,#c').find('option[value="' + $('#a').val() + '"]').hide();

selectFirstOption();

$('#a').on('change', function() {
      $('#b,#c').find('option').show();
      $('#b,#c').find('option[value="' + this.value + '"]').hide();
      selectFirstOption();
});

function selectFirstOption(){
    $('#b,#c').each(function(){
       var option = $(this).find('option:visible:first').val();
        $(this).val(option);
    });
}