JSFiddle - React, Tailwind, and code Playground

HTML

<select id="steps_number">
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="10">10</option>
</select>

JavaScript

$('#steps_number').change(function(){
    for(var i=0; i < parseInt($(this).val()); i++) {
        $('body').append('<input type="text" name="someinput' + i + '">');
    }
});