jquery select child element by class code example
Example 1: jquery get child div
$(this).children('div').show();
Example 2: jquery find
$( "li.item-ii" ).find( "li" ).css( "background-color", "red" );
$(this).children('div').show();
$( "li.item-ii" ).find( "li" ).css( "background-color", "red" );