var ans = people.some(function(item, index, array){
  return item.age > 10 // 讽场 age  10 肚 true
});
console.log(ans);  // true: 璶Τ场だ才玥 true

var ans2 = people.some(function(item, index, array){
  return item.age < 25
});
console.log(ans2); // true: 璶Τ场だ才玥 true  

var ans2 = people.some(function(item, index, array){
  return item.age > 25
});
console.log(ans2); // false: 场常ぃ才玥 false