JAVASCRIPT

jquery get element id

$(this).attr('id')

jquery get id value

var myId = $(this).attr('id');
alert( myId );

get the id of a div in jquery

	var rid = $(this).attr('id');	//for dynamically created elements

get id by this jquery

alert($(this).attr('id'))

jquery get id

var myId = $("#test").prop("id");

get id value jquery

$(document).ready(function(){
  $("button").click(function(){
  var myid = $( "#old" ).html()
    $("#some").html(myid);
  });
});