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How to use the ajaxError() method in jquery
- 王林Original
- 2020-11-25 10:01:382255browse
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.
(Related video tutorial: javascript video tutorial)
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>Related recommendations: js tutorial
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