JSFiddle - React, Tailwind, and code Playground

HTML

<div class='select_wrap'>
<select class='sectos'>
    <option value="" selected="selected">-Select One-</option>
    <option value="No">No</option>
     <option value="2">Yes</option>
    <option value="3">other</option>
</select>
<input type="text" placeholder="Please Specify..." class="other"  />
</div>

<div class='select_wrap'>
<select class='sectos'>
    <option value="" selected="selected">-Select One-</option>
    <option value="No">No</option>
     <option value="2">Yes</option>
    <option value="3">other</option>
</select>
<input type="text" placeholder="Please Specify..." class="other"  />
</div>

<div class='select_wrap'>
<select class='sectos'>
    <option value="" selected="selected">-Select One-</option>
    <option value="No">No</option>
     <option value="2">Yes</option>
    <option value="3">other</option>
</select>
<input type="text" placeholder="Please Specify..." class="other"  />
</div>

JavaScript

$('.other').hide();

$('.sectos').change(function() {
    if($(this).val() == 3){
       $(this).next('input').fadeIn(); 
    }
    else{
       $(this).next('input').fadeOut();        
    }
});