Navigator: javaEnabled() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

This method always returns false.

Syntax

javaEnabled()

None.

The boolean value false.

js
if (window.navigator.javaEnabled()) {
  // code will never be executed; the condition is always false
}

Specification

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This page was last modified on Aug 25, 2025 by MDN contributors.