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jQuery fadeTo() Method

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The fadeTo() method is an inbuilt method in jQuery that is used to change the opacity of the selected element. 

Syntax:

$(selector).fadeTo(speed, opacity, easing, call_function)

Here selector is the selected element. 

 

Parameter: It accepts four parameters which are specified below-

  • speed: It specifies the speed of the fading effect.
  • opacity: It specifies to fade and this value should be between 0.0 and 1.0.
  • easing: It specifies the speed at different points of animation.
  • call_function: It is an optional parameter and performs a function after performing fadeTo method.

Return Value: It does not return any value.

Example 1: In the below code, no optional function parameter is passed. 

HTML

<!DOCTYPE html>
<html>
  
<head>
    <script src=
    </script>
    <style>
        body {
            width: 40%;
            height: 100px;
            border: 2px solid green;
            padding: 20px;
        }
    </style>
</head>
  
<body>
    <!-- Click on this paragraph and 
        this paragraph will fade out -->
    <p>
        This paragraph will fade out !
    </p>
    
    <!-- After clicking on this paragraph this 
        paragraph will not fade out -->
    <p>
        This paragraph will not fade !
    </p>
    
    <!-- jQuery code to show working 
        of this method -->
    <script>
        $("p:first").click(function () {
            $(this).fadeTo("slow", 0.33);
        });
    </script>
</body>
  
</html>

                    

Output:

 

Example 2: In the below code, an optional function parameter is passed. 

HTML

<!DOCTYPE html>
<html>
  
<head>
    <script src=
    </script>
    
    <!-- jQuery code to show the working of this method -->
    <script>
        $(document).ready(function () {
            $("button").click(function () {
                $("p").fadeTo(2000, 0.2, function () {
                    alert("The fadeTo effect has finished!");
                });
            });
        });
    </script>
    <style>
        body {
            width: 40%;
            height: 100px;
            border: 2px solid green;
            padding: 20px;
        }
    </style>
</head>
  
<body>
    
    <!-- This paragraph will fade out -->
    <p>This is a paragraph.</p>
  
    <!-- Click on this button and 
        paragraph will fade out -->
    <button>Click me</button>
</body>
  
</html>

                    

Output:

 



Last Updated : 03 Nov, 2022
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