<script type="text/javascript">
$("button").click(function () {
var elm = $('<div id="divId" class="adiv abs"></div>');
elm.appendTo('#container').resizable({
containment: "parent"
});
});
</script>
Обновление
<script>
$("button").click(function () {
var elm = $('<div id="divId" class="adiv abs"></div>');
elm.appendTo('#container').draggable({
snap: true,
containment: 'parent'
}).resizable({
maxWidth: 300,
maxHeight: 300
});
});
</script>