Enabling SharedArrayBuffers in Firefox

In early 2018, the Spectre and Meltdown vulnerabilities were discovered. In response, browser manufacturers disabled SharedArrayBuffer by default. Some of the recipes in this chapter require this feature. This recipe demonstrates how to enable them in Firefox.

Getting ready

This recipe assumes that you have an up to date version of Firefox installed.

How to do it...

1. Open Firefox.
2. Navigate to about:config.
3. Click I accept the risk!
4. Search for shared.
5. Double-click javascript.options.shared_memory.
6. This option should now...