The text reads without JavaScript, but the choices — the day, the part, the reading mode, the text size, the word analysis — need it turned on.
from the day’s formulary
choir the faithful may join sung
R.choir:Allelúia,alleluia allelúia.alleluia
LætátusI rejoiced sum(have) inin his,these things quæwhich dictawere said sunt(were) mihi:to me ininto domumthe house Dóminiof the Lord íbimus.we shall go
Allelúia.alleluia