﴿ لَّقَدْ أَحْصَىٰهُمْ وَعَدَّهُمْ عَدًّۭا ﴾

“indeed, He has full cognizance of them, and has numbered them with [unfailing] numbering;”

وَعَدَّهُمْ عَدًّا "And precisely calculated their numbers" - 19:94. It means that Allah Ta’ ala has full knowledge of their doings.