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jQuery callbacks.disabled() Method
  • Last Updated : 07 Jul, 2020

The jQuery callbacks.disabled() method is used to check if the callback is disabled or not. This method returns “true” or “false” depending on the callback.

Syntax:

callbacks.disabled()

Return Value: This method returns a boolean value.

Example 1: This example disables the callback and then call the callbacks.disabled() method to see the result.




<!DOCTYPE HTML>
<html>
  
<head>
    <title>
        jQuery callbacks.disabled() 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 | callbacks.disabled() method";
  
        var result = "";
        var callbacks = jQuery.Callbacks();
  
        function Geeks() {
          
            // First function to be added to the list
            var fun1 = function (val) {
                result = result + "This is function 1 and"
                    + " value passed is " + val + "<br>";
            };
  
            callbacks.add(fun1); // Adding the function 1
            callbacks.fire("GFG_1"); // Calling the function 1
            callbacks.disable();
            el_down.innerHTML = callbacks.disabled();
        
    </script>
</body>
  
</html>

Output:

Example 2: This example provides a button to disable the callbacks and check then.




<!DOCTYPE HTML>
<html>
  
<head>
    <title>
        jQuery callbacks.disabled() 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>
      
    <button onclick="disable();">
        disable
    </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 | callbacks.disabled() method";
        var result = "";
        var callbacks = jQuery.Callbacks();
        function disable() {
            callbacks.disable();
        }
        function Geeks() {
  
            // First function to be added to the list
            var fun1 = function (val) {
                result = result + "This is function 1 and"
                    + " value passed is " + val + "<br>";
            };
            callbacks.add(fun1); // Adding the function 1
            callbacks.fire("GFG_1"); // Calling the function 1
            el_down.innerHTML = callbacks.disabled();
        
    </script>
</body>
  
</html>

Output:




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