The keyboard shortcut sheet (Cmd/Ctrl+/). The host page carries #shortcut-overlay (with the close button #sk-close), the trigger #nav-shortcuts, and #sk-mod-label / .sk-mod spans that show the platform's modifier.
#shortcut-overlay
#sk-close
#nav-shortcuts
#sk-mod-label
.sk-mod
Wires the page; call once at boot, after the markup exists.
The keyboard shortcut sheet (Cmd/Ctrl+/). The host page carries
#shortcut-overlay(with the close button#sk-close), the trigger#nav-shortcuts, and#sk-mod-label/.sk-modspans that show the platform's modifier.