How to use AJAX for fetching data in child dropdown by selecting Parent dropdown - Nodejs , Expressjs, MongoDB
// so here i have dummy database to understand - suppose we have Thee product categories electronic, Garments & home appliance , In which we have subcategories please refer below two pictures 1. Category (parent Dropdown ) // MongoDB database 2. Subcategory (child Dropdown ) now I want that if I would select product category, product subcategories should automatically fetched in in second or child dropdown =====================//addProduct.ejs Start ================================= <form method="post" action="/admin/launchp" enctype="multipart/form-data"> <div class="form-group"> <label for="catnm" style="color: #870A30;">Product Category </label> <select class="form-control" id="category-dropdown" name="catnm"> <option value="">Product Category:</option> <% if(clist.length){ for(var i = 0; i< clist.length; i++) {%> &l