<body>
<a href="" class="qs"></a>
<a href="" class="qs"></a>
<a href="" class="qs"></a>
<a href="" class="qs"></a>
</body>
$(".qs").on("click", function() {
$.ajax({
type: "POST",
url: url,
data: { taskId: taskId },
success: function(data) {
//ajaxa"" aa
}
});