Products Workbox Workbox Reference Docs Class: Plugin workbox.rangeRequests.Plugin class static Version v3.4.1 The range request plugin makes it easy for a request with a 'Range' header to be fulfilled by a cached response. It does this by intercepting the cachedResponseWillBeUsed plugin callback and returning the appropriate subset of the cached response body. Constructor Plugin new Plugin() Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated July 16, 2018.