Vue Js Deep Watch

In this video we go to talk about Vue js Deep Watch. You can watch my previous video where I show you a simple example of how to use Vue Js Watchers : • Vue Js Watchers

[@maicoyamba2964]

hello Sir i am new to vue js deep watch is not working
i want to watch if "sport" is empty or not. please help,
ex:
person: {
men: {
sport: Array[1]
0: "basketball"
},
women: {
sport: Array[1]
0: "volleyball"
}
}