Manual API reference Examples Deploy Subhosting

Deno APIs
Web APIs
Node APIs

Manual
API reference
Examples
Deploy
Subhosting

Node

cluster

.

isMaster

property Cluster.isMaster

Deprecated

since v16.0.0 - use isPrimary.

Type #

boolean

Type

Deno Docs

Deno Runtime
Deno Deploy
Deno Subhosting
Examples
Standard Library

Community

Discord
GitHub
Twitter
YouTube
Newsletter

Help & Feedback

Community Support
Deploy System Status
Deploy Feedback
Report a Problem

Company

Blog
Careers
Merch
Privacy Policy

Copyright © 2025 the Deno authors.