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jQuery deferred.always() Method

  • Last Updated : 14 Jul, 2020

This deferred.always() method in jQuery is used to add handlers which are to be called when the Deferred object is resolved or when it is rejected. The arguments specified can be either a single function or an array of functions.

Syntax:

deferred.always( alwaysCallbacks [, alwaysCallbacks] )

Parameters: This method accepts two parameters as mentioned above and described below:

  • alwaysCallbacks: This parameter specifies a function or an array of functions, which is called when the Deferred is either resolved or rejected.
  • alwaysCallbacks: This parameter specifies a number of function or an array of functions, which are called when the Deferred is either resolved or rejected. It is an optional parameter.

Return Value: This method returns the Deferred object. 

Example 1:






<!DOCTYPE HTML>
<html>
  
<head>
    <title>
        JQuery deferred.always() method
    </title>
  
    <script src=
    </script>
</head>
  
<body style="text-align:center;">
    <h1 style="color:green;">
        GeeksForGeeks
    </h1>
  
    <p id="GFG_UP"></p>
  
    <button onclick="Geeks();">
        click here
    </button>
  
    <script>
        var el_up =
            document.getElementById("GFG_UP");
  
        el_up.innerHTML =
            "JQuery | deferred.always() method";
  
        function Geeks() {
  
            // Use the always() method to
            // alert the user
            $.get("testingGFG.php")
                    .always(function () {
                alert("Either $.get successfully"
                    + " completed or error "
                    + "callbacks arguments");
            });
        
    </script>
</body>
  
</html>

Output:

  • Before clicking the button:
  • After clicking the button:

Example 2:




<!DOCTYPE HTML>
<html>
  
<head>
    <title>
        JQuery | deferred.always() method
    </title>
  
    <script src=
    </script>
</head>
  
<body style="text-align:center;">
    <h1 style="color:green;">
        GeeksForGeeks
    </h1>
  
    <p id="GFG_UP"></p>
  
    <button onclick="Geeks();">
        click here
    </button>
  
    <p id="GFG_DOWN"></p>
  
    <script>
        var el_up =
            document.getElementById("GFG_UP");
        var el_down =
            document.getElementById("GFG_DOWN");
        el_up.innerHTML =
            "JQuery | deferred.always() method";
  
        function Geeks() {
  
            // Use the always() method to
            // change the text
            $.get("testingGFG.php").always(function () {
                el_down.innerHTML = "Either $.get "
                    + "successfully completed" +
                    " or error callbacks arguments";
            });
        
    </script>
</body>
  
</html>

Output:




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