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WorkerGlobalScope: isSecureContext property

Baseline Widely available

This feature is well established and works across many devices and browser versions. Its been available across browsers since April 2018.

Note: This feature is only available in Web Workers.

The isSecureContext read-only property of the WorkerGlobalScope interface returns a boolean indicating whether the current context is secure (true) or not (false).

In this article

Value

A boolean.

Specifications

Specification
HTML
# dom-issecurecontext-dev

Browser compatibility

See also

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This page was last modified on Nov 30, 2025 by MDN contributors.

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