How to detect flash is installed or not using JavaScript ?

The task is to detect whether the user has installed Adobe Flash player or not with the help of JavaScript. we’re going to discuss 2 techniques.

Approach:

  • Create a ShockwaveFlash.ShockwaveFlash object.
  • If the instance’s value is true, Flash is installed.
  • If any error occurred, Use navigator.mimetypes property to know whether the flash is installed.

Example 1: This example checks the flash player is installed or not.



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<!DOCTYPE HTML>
<html>
  
<head>
    <title>
        How to detect flash is installed
        or not using JavaScript ?
    </title>
</head>
  
<body style="text-align:center;">
      
    <h1 style="color:green;"> 
        GeeksForGeeks
    </h1>
      
    <p id="GFG_UP" style=
        "font-size: 19px;font-weight: bold;">
    </p>
      
    <button onclick="GFG_Fun()">
        click here
    </button>
      
    <p id="GFG_DOWN" style=
        "color: green; font-size: 24px; font-weight: bold;">
    </p>
      
    <script>
        var el_up = document.getElementById("GFG_UP");
        var el_down = document.getElementById("GFG_DOWN");
          
        el_up.innerHTML = "Click on the button to check"+
                " whether Adobe Flash is installed or not";
          
        var Flash = false;
  
        function GFG_Fun() {
            try {
                Flash = 
                Boolean(new ActiveXObject('ShockwaveFlash.ShockwaveFlash'));
            } catch (exception) {
                Flash = ('undefined' != typeof navigator.mimeTypes[
                    'application/x-shockwave-flash']);
            }
            el_down.innerHTML = Flash;
        }
    </script>
</body>
  
</html>

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Output:


    

  • 
Before clicking on the button:
    


    • 

  • 
After clicking on the button:
    


    • 



Example 2: This example checks the flash player is installed or not.











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<!DOCTYPE HTML> 


<html> 


  


<head> 


    <title> 


        How to detect flash is installed 


        or not using JavaScript ? 


    </title> 


</head> 


  


<body style="text-align:center;"> 


      


    <h1 style="color:green;">  


        GeeksForGeeks 


    </h1> 


      


    <p id="GFG_UP" style= 


        "font-size: 19px;font-weight: bold;"> 


    </p> 


      


    <button onclick="GFG_Fun()"> 


        click here 


    </button> 


      


    <p id="GFG_DOWN" style= 


        "color: green; font-size: 24px; font-weight: bold;"> 


    </p> 


      


    <script> 


        var el_up = document.getElementById("GFG_UP"); 


          


        var el_down = document.getElementById("GFG_DOWN"); 


          


        el_up.innerHTML = "Click on the button to check whether" 


                + " Adobe Flash is installed or not"; 


        var Flash = false; 


  


        function GFG_Fun() { 


            try { 


                var fo =  


                new ActiveXObject('ShockwaveFlash.ShockwaveFlash'); 


                  


                if (fo) { 


                    hasFlash = true; 


                } 


            } catch (e) { 


                if (navigator.mimeTypes && navigator.mimeTypes[ 


                'application/x-shockwave-flash'] != undefined && 


                    navigator.mimeTypes['application/x-shockwave-flash' 


                                    ].enabledPlugin) { 


                    hasFlash = true; 


                } 


            } 


            el_down.innerHTML = Flash; 


        } 


    </script> 


</body> 


  


</html> 



















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Output:


    

  • 
Before clicking on the button:
    


    • 

  • 
After clicking on the button:
    


    • 




          
          
          
          

            

    

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