for 문 형태

// of
for(var o of getDeptList) {
	if(o.name === 'AI') {
		console.log(o.people);
		for(var obj of o.people) {
			if(obj.name === '박') {
				console.log(obj);
			}
		}

	}
}
// in
for(var idx in getDeptList) {
	if(getDeptList[idx].name === 'AI') {
		console.log(getDeptList[idx].people);
		for(var obj of getDeptList[idx].people) {
			if(obj.name === '박') {
				console.log(obj);
			}
		}
	}
}
// forEach
getDeptList.forEach(function(o){
	if(o.name === 'AI') {
		console.log(o.people);
		for(var obj of o.people) {
			if(obj.name === '박') {
				console.log(obj);
			}
		}
	}
});