代码示例:(标识:event_mouse_detail)
<!DOCTYPE html>
<html>
<body>

<p>单击按钮可显示单击按钮的当前点击次数。</p>

<button onclick="myFunction(event)">点击次数:</button>

<input id="myInput" type="text">

<script>
function myFunction(event) {
  var x = event.detail;
  document.getElementById("myInput").value = x;
}
</script>

</body>
</html>
运行结果: