根據屬性過濾物件數組：指南

Question

我有以下房地產家庭物件的JavaScript陣列：varjson={'homes':[{"home_id":"1","price":"925","sqft":"1100","num_of_beds":"2" ,"num_of_bat

P粉366946380 · Answer

我很驚訝沒有人發布一行回應：

const filteredHomes = json.homes.filter(x => x.price = 500 && x.num_of_beds >=2 && x.num_of_baths >= 2.5);

...只是為了讓您可以更輕鬆地閱讀：

const filteredHomes = json.homes.filter( x => 
  x.price = 500 && 
  x.num_of_beds >=2 && 
  x.num_of_baths >= 2.5
);

P粉315680565 · Answer

您可以使用陣列.prototype.filter方法：

var newArray = homes.filter(function (el) {
  return el.price = 500 &&
         el.num_of_beds >=2 &&
         el.num_of_baths >= 2.5;
});

實例：

var obj = {
    'homes': [{
            "home_id": "1",
            "price": "925",
            "sqft": "1100",
            "num_of_beds": "2",
            "num_of_baths": "2.0",
        }, {
            "home_id": "2",
            "price": "1425",
            "sqft": "1900",
            "num_of_beds": "4",
            "num_of_baths": "2.5",
        },
        // ... (more homes) ...     
    ]
};
// (Note that because `price` and such are given as strings in your object,
// the below relies on the fact that = with a string and number
// will coerce the string to a number before comparing.)
var newArray = obj.homes.filter(function (el) {
  return el.price = 500 &&
         el.num_of_beds >= 2 &&
         el.num_of_baths >= 1.5; // Changed this so a home would match
});
console.log(newArray);

php8，我來也

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