Depending on where you are you can also use:
this["funcname"]();self["funcname"]();window["funcname"]();top["funcname"]();globalThis["funcname"]();
or, in nodejs
global["funcname"]()
Depending on where you are you can also use:
this["funcname"]();self["funcname"]();window["funcname"]();top["funcname"]();globalThis["funcname"]();
or, in nodejs
global["funcname"]()