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jQuery ajaxStart() 方法

❮ jQuery AJAX 方法

示例

当 AJAX 请求开始时显示一个“加载”指示器图像

$(document).ajaxStart(function(){
  $(this).html("<img src='demo_wait.gif'>");
});
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定义和用法

ajaxStart() 方法指定在 AJAX 请求开始时要运行的函数。

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


语法

$(document).ajaxStart(function())

参数 描述
function() 必需。指定在 AJAX 请求开始时要运行的函数

❮ jQuery AJAX 方法

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