日期:2014-05-17 浏览次数:20416 次
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<script src="http://code.jquery.com/jquery-2.0.3.min.js" type="text/javascript"></script>
<title></title>
<style type="text/css">
.cc
{
width: 50px;
text-align: center;
cursor: pointer;
}
</style>
<script type="text/javascript">
$(function () {
$(".cc").on("dblclick", function () {
if ($(this).text().trim() == "√") {
$(this).text("");
} else {
$(this).text("√");
}
});
})
</script>