The ajaxError() method in jQuery is used to specify a function to be run when an AJAX request fails.
Syntax:
$(document).ajaxError( function(event, xhr, options, exc) )
Parameters: This method accepts single parameter function which is mandatory. This function accepts four parameters which are listed below:
- event: This parameter holds the event object.
- xhr: It holds the XMLHttpRequest object.
- options: It contains the used options in AJAX request.
- exc: It holds the JavaScript exception.
The demo.txt file is stored on the server and it will load after clicking the change content button.
demo.txt
This is GFG.
Example 1: This example changes the content of <p> element, by taking the data from server. When the AJAX request fails due to an error, the page says
AJAX request fails.
html
<!DOCTYPE html><html>
<head>
<script src=
</script>
<!-- Script to use ajaxError() method -->
<script>
$(document).ready(function () {
$(document).ajaxError(function () {
alert("AJAX request fails.");
});
$("button").click(function () {
$("#paragraph").load("demo.txt");
});
});
</script>
</head>
<body style="text-align:center;">
<div id="div_content">
<h1 style="color: green;">
GeeksforGeeks
</h1>
<p id="paragraph" style="font-size: 20px;">
A computer science portal for geeks
</p>
</div>
<button>
Change Content
</button>
</body>
</html>
|
Output:
Example 2: This example changes the content of <h1> element, by taking the data from the server. When the AJAX request fails due to an error, the page says AJAX request fails.
demo.txt
This is GFG.
html
<!DOCTYPE html><html>
<head>
<script src=
</script>
<!-- Script to use ajaxError() method -->
<script>
$(document).ready(function () {
$(document).ajaxError(function () {
alert("AJAX request fails.");
});
$("button").click(function () {
$("#heading").load("demo.txt");
});
});
</script>
</head>
<body style="text-align:center;">
<div id="div_content">
<h1 id="heading" style="color: green;">
GeeksforGeeks
</h1>
<p style="font-size: 20px;">
A computer science portal for geeks
</p>
</div>
<button>
Change Content
</button>
</body>
</html>
|
Output:
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