jquery select element inside element code example

Example 1: jquery find

$( "li.item-ii" ).find( "li" ).css( "background-color", "red" );

Example 2: jquery select element inside element

$("#moo") > $("#foo #moo") > $("div#foo span#moo") > $("#foo span") > $("#foo > #moo")

Example 3: how to find a name of class from page in jquery

$("input[type='submit']").click(function() {
    if ($(".Mandatory").length > 0) {
        // Do some code here
    }
});