jQuery deferred.catch() Method
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jQuery deferred.catch() Method
The jQuery deferred.catch() method adds handlers to be called when the Deferred object is rejected.
Example
HTML Editor
<!DOCTYPE html>
<html lang="en-US">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
</head>
<body>
<h1>jQuery deferred.catch() Method</h1>
<button>Send Get Request</button>
<script>
$(document).ready(function(){
$("button").click(function(){
$.get("/greet.php", function(data){
alert(data);
}).then(function() {
alert("$.get is succeeded");
}).catch(function() {
alert("$.get is failed!");
});
});
});
</script>
</body>
</html>
Syntax
deferred.catch(failFilter);
Parameter Values
| Value | Type | Explanation |
|---|---|---|
| failFilter | Optional | Specifies a function that is called when the Deferred is rejected. |
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