JSFiddle - React, Tailwind, and code Playground

by sunil puvvada

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<select id="getFname" onchange="admSelectCheck(this);">
<option value="1">Jay</option>
<option value="4">Sam</option>
<option id="admOption" value="0">Admin</option>
</select>


<div id="admDivCheck" style="display:none;">
admin selected
 </div>

JavaScript

function admSelectCheck(nameSelect)
{
    if(nameSelect){
        admOptionValue = $("#admOption").value;
        if(admOptionValue == nameSelect.value){
            $("#admOption").style.display = "block";
        }
        else{
            $("#admOption").style.display = "none";
        }
    }
    else{
        $("#admOption").style.display = "none";
    }
}