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HTML | Navigator javaEnabled( ) Method
  • Last Updated : 26 Jul, 2019

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()

Below program illustrates the Navigator javaEnabled() method :

Checking whether a browser has Java enabled or not.




<!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:

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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