 Does firefox throttle JS or video playback when not focused? I-Firefox Isithangami Sokweseka Ukwesekwa kwe-MozillaImpendulo yokugcina yenziwe ngu jscher2000 5 izinyanga ezidlule31219 17:4431319 16:4831319 16:5431319 20:07ivo.welch 0 izisombululo 1 izimpendulo81919 22:2382019 07:59 