JSFiddle - React, Tailwind, and code Playground

by roadrash

HTML

<form action='' method='post' role='form'>
    <input type='checkbox' name='isMain' id='isMain' /> Is Main Category
    <select name='subCats' id='subCats'>
        <option value='noway'>--SELECT--</option>
        <option value='1'>Games</option>
        <option value='2'>Music</option>
    </select>
</form>

JavaScript

$(document).ready( function(){
    $('#isMain').click( function(){
       if(this.checked){
          $('#subCats').hide();
       }else{
          $('#subCats').show();
       }
    });
});