Characters allowed between an object and the dot operator

window⟦09⟧.alert();alert(9)

window
.alert();alert(10)

window0x0B.alert();alert(11)

window0x0C.alert();alert(12)

window0x0D.alert();alert(13)

window .alert();alert(32)

window?.alert();alert(63)

window .alert();alert(160)

window .alert();alert(5760)

window .alert();alert(8192)

window .alert();alert(8193)

window .alert();alert(8194)

window .alert();alert(8195)

window .alert();alert(8196)

window .alert();alert(8197)

window .alert();alert(8198)

window .alert();alert(8199)

window .alert();alert(8200)

window .alert();alert(8201)

window .alert();alert(8202)