<div data-role="view">
<a href="#foo" data-rel="modalview">Foo</a>
<div data-role="modalview" id="foo" data-open="logTarget">
Foo
</div>
</div>
<script>
function logTarget(e) {
console.log(e.target); // <a href="#foo" ...
}
</script>
target
: jQuery