<script src="http://localhost/_layouts/jquery.js" type="text/javascript"></script>
<script type="text/javascript">
$(function () { alert("jq"); });//查看jquery是否引用
$(document).ready(function () {
$(".div").click(function () {
$("#TextBox1").val(this.attr("title"))
});
});
$(document).ready(function () {
$("div").click(function () {
$("#TextBox1").val(this.attr("title"))
});
});

</script>

SharePoint2013查看jquery是否引用