按属性值对对象数组进行排序
问题描述:
我已经使用AJAX获得了以下对象并将它们存储在数组中:
I've got the following objects using AJAX and stored them in an array:
var homes = [
{
"h_id": "3",
"city": "Dallas",
"state": "TX",
"zip": "75201",
"price": "162500"
}, {
"h_id": "4",
"city": "Bevery Hills",
"state": "CA",
"zip": "90210",
"price": "319250"
}, {
"h_id": "5",
"city": "New York",
"state": "NY",
"zip": "00010",
"price": "962500"
}
];
如何创建仅使用JavaScript按升 或 降的price
属性对对象进行排序的函数?
How do I create a function to sort the objects by the price
property in ascending or descending order using JavaScript only?
答
按价格升序对房屋进行排序:
Sort homes by price in ascending order:
homes.sort(function(a, b) {
return parseFloat(a.price) - parseFloat(b.price);
});
或在ES6版本之后:
homes.sort((a, b) => parseFloat(a.price) - parseFloat(b.price));
可以在此处找到一些文档
对于降序,可以使用
homes.sort((a, b) => parseFloat(b.price) - parseFloat(a.price));