JSFiddle - React, Tailwind, and code Playground

HTML

<div class="form_item">
   <div class="form_label">
         <label>Account</label>
   </div>
   <span id="new_ac"><input type="text"/><a id="create_ac">Select Existing Account</a></span>
   <span id="existing_ac"><select>
         <option>Select an account</option>
         <option>Customer</option>
         <option>Competitor</option>
         <option>Investor</option>
         <option>Partner</option>
         <option>Reseller</option>
         <option>Supplier</option>
         </select><a id="select_ac">Create new Account</a></span>
</div>

JavaScript

$(document).ready(function() {
    $('#create_ac').click(function(){
        changeInitial(this, $('#select_ac'));
    });
});

   function changeInitial(init,alter)
{   
    <!--alert(alter);-->

    init.parent().hide();
    alter.parent().show();
}