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jQuery ajaxSend() 方法

❮ jQuery AJAX 方法

示例

当 AJAX 请求即将发送时,更改 <div> 元素的内容

$(document).ajaxSend(function(e, xhr, opt){
  $("div").append("<p>Requesting: " + opt.url + "</p>");
});
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定义和用法

ajaxSend() 方法指定在发送 AJAX 请求之前运行的函数。

注意: 从 jQuery 1.8 版本开始,此方法应仅附加到 document 上。


语法

$(document).ajaxSend(function(event,xhr,options))

参数 描述
function(event,xhr,options) 必需。指定如果请求成功则运行的函数
其他参数
  • event - 包含事件对象
  • xhr - 包含 XMLHttpRequest 对象
  • options - 包含 AJAX 请求中使用的选项

❮ jQuery AJAX 方法

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