When we use Ajax with Firefox, if we only need to get data from server, the Ajax method should set to "GET", otherwise Firefox will raise an error called Length required. If we want to send data to server, the Ajax method can be set to "POST". 相关文章： 2021-07-12 2021-11-12 2021-11-23 2021-05-28 2022-03-01 2021-10-01 2022-01-09 2021-08-06