function content(){
    alert("test");
    $(".two button").click(function(){
        var id = $(this).parent().attr("id");
        alert(id);
    });
}

$(document).on("click", ".two button", function(){
// put a click hander on the document to process clicks
// from buttons that are descendants of elements with class=two

$('body').on('click', '.two button', function(){
    var id = $(this).parent().attr("id");
    alert(id);
});

$('#my-div').on('click', '.two button', function(){
    var id = $(this).parent().attr("id");
    alert(id);
});

$(".two button").on("click",function(){
    var id = $(this).parent().attr("id");
    alert(id);
});

function content(element){
 $(element).click(function(){
    var id = $(this).parent().attr("id");
    alert(id);
 });
}