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HTML | Navigator javaEnabled( ) Method

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  • Difficulty Level : Basic
  • Last Updated : 10 Aug, 2022

The navigator javaEnabled() method is used for returning a Boolean value that specifies whether Java is enabled in a browser or not. It returns true if Java is enabled in the browser else it returns false.

Syntax: 

navigator.javaEnabled()

Note: This method has been deprecated and is no longer used.

Return Value: A Boolean, indicating whether the browser has Java enabled.It returns true if enabled, false if not.

Below program illustrates the Navigator javaEnabled() method :
Checking whether a browser has Java enabled or not. 

HTML




<!DOCTYPE html>
<html>
<head>
    <title>
      Navigator javaEnabled() Method in HTML
    </title>
    <style>
        h1 {
            color: green;
        }
         
        h2 {
            font-family: Impact;
        }
         
        body {
            text-align: center;
        }
    </style>
</head>
 
<body>
    <h1>GeeksforGeeks</h1>
    <h2>Navigator javaEnabled() Method</h2>
     
<p>
      For checking whether the browser has Java
      enabled or not, double-click the "Check Java"
      button:
    </p>
 
    <button ondblclick="check_java()">
      Check Java
    </button>
 
    <p id="jav"></p>
 
    <script>
        function check_java() {
            var j =
                "Is Java Enabled : " + navigator.javaEnabled();
            document.getElementById("jav").innerHTML = j;
        }
    </script>
</body>
</html>

Output: 
Before clicking the button:

After clicking the button:

Supported Browsers: The browser supported by navigator javaEnabled() are listed below: 

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Opera
  • Safari

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