SO

by newblt123

HTML

<div>
    Hello
</div>

<button> Add Content </button>

JavaScript

$(function () {
    $("button")
        .on('click', function () {
            $("div")
                .append(
                    getSelect()
                );
        });

    $("div")
        .on('change',
            '.mySelects',
            function () {
                alert(
                    'select changed!'
                );
            });
});

function getSelect() {
    return $("<select></select>")
        .addClass("mySelects")
        .append($(
                "<option></option>"
            )
            .html("abc")
            .val("1"))
        .append($(
                "<option></option>"
            )
            .html("def")
            .val("2"));
}