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The usage of the ajaxError() method in jquery is: [$(document).ajaxError(function(event,xhr,options,exc))]. The ajaxError method specifies the function to be run when the ajax request fails.
The operating environment of this tutorial: Windows 10 system, jquery version 1.10.2. This method is suitable for all brands of computers.
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Introduction:
ajaxError() method specifies the function to be run when the AJAX request fails .
Note: As of jQuery version 1.8, this method is only appended to the document.
Syntax:
$(document).ajaxError(function(event,xhr,options,exc))
Parameters:
function(event,xhr,options,exc) Required. Specifies a function to run when a request fails.
Extra parameters:
event - Contains the event object
xhr - Contains the XMLHttpRequest object
options - Contains the options used in the AJAX request
exc - Contains JavaScript exception
Example:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $(document).ajaxError(function(){ alert("一个错误发生!"); }); $("button").click(function(){ $("div").load("wrongfile.txt"); }); }); </script> </head> <body> <div><h2>使用 AJAX 修改文本</h2></div> <button>修改内容</button> </body> </html>
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