JSFiddle - React, Tailwind, and code Playground

HTML

<select name="template" id="template">
        <option value="" selected>--Select--</option>
            <option value="HOME">Home</option>
            <option value="HELP">How We Help</option>
            <option value="CONTACT">Contact Us</option>
            <option value="ABOUT">About Us</option>
</select>
<select name="location" id="location"">
    <option value="" selected>--Select--</option>
    <option value="header">Header</option>
    <option value="center">Center</option>
    <option value="footer">Footer</option>
</select>

JavaScript

$(document).ready(function(){
    $("#location").hide();
    
    $("#template").change(function(){
        if ($(this).val() == "CONTACT"){
            $("#location").show();
        } else{
            $("#location").hide();
        }
    });
});