The title of the dialog. Can be also set through the title attribute of the html element.
Examples
Js Config
<div id="dialog">Lorem ipsum dolor sit amet, consectetur adipiscing elit...</div>
<script>
$("#dialog").dialog({
title: 'My Custom Title',
width: 400
});
</script>
Html Config
<div id="dialog" title="My Custom Title" width="400">Lorem ipsum dolor sit amet, consectetur adipiscing elit...</div>
<script>
$("#dialog").dialog();
</script>