JSctypes - MozillaWiki
const nsINativeTypes = Components.interfaces.nsINativeTypes; const MB_OK = 3; function messageBox() { // create the XPCOM js-ctypes instance var library = Components.classes["@developer.mozilla.org/js-ctypes;1"] .createInstance(nsINativeTypes); // load the native shared library library.open("user32.dll");なにこれこんなことできんの?