get the value of id in jquery code example

Example 1: jquery get id value

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

Example 2: get the id of a div in jquery

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

Example 3: get value of input jqueyr

var str = $("#myInput"). val();

Example 4: get id value jquery

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