using jquery to select an id code example
Example 1: jquery get element by id
<script>
$(document).ready(function(){
$("#myBtn").click(function(){
var elmId = $("#test").attr("id");
alert(elmId);
});
});
</script>
<body>
<div id="testDiv">Data of the Div</div>
<br>
<button type="button" id="myBtn">Show Div ID</button>
</body>
Example 2: get element by id in Jquery
$("#YourElementId").val();