jQuery API 中文文档 | jQuery 中文网

.ajaxSend()

所属分类：Ajax > Global Ajax Event Handlers | Deprecated > Deprecated 3.5 英文文档：.ajaxSend()

.ajaxSend( handler )Returns: jQueryversion deprecated: 3.3

Description: Attach a function to be executed before an Ajax request is sent. This is an Ajax Event.

version added: 1.0.ajaxSend( handler )
- handler
  
  Type: Function()
  
  The function to be invoked.

This API is deprecated. Use .on( "ajaxSend", handler ) instead.