报错信息

Uncaught TypeError: Illegal invocation

关键代码

$.operate.post(prefix + "/edit", { "taskId": taskId, "taskStatus": 'completed' });

<input id="taskId" style="display: none;">[[${completeTask.taskId}]]</input>

取值成功

th:attr="data-id=${completeTask.taskId}"

$(that.target).attr('data-id')

取值失败

th:attr="data-id=${completeTask.taskId}"

$(that.target).dataset.id