[ { "name": "温度", "unit": "℃", "week": "1", "hour": "0:00", "value": "16.0" }, { "name": "温度", "unit": "℃", "week": "1", "hour": "10:00", "value": "16.2" }, { "name": "温度", "unit": "℃", "week": "1", "hour": "11:00", "value": "16.6" }]数组js 按week和hour排序
时间: 2023-05-14 18:07:01 浏览: 46
可以使用JavaScript的sort()方法,结合自定义的比较函数来实现按照week和hour排序。比较函数可以按照以下方式编写:
function compare(a, b) {
if (a.week < b.week) {
return -1;
}
if (a.week > b.week) {
return 1;
}
if (a.hour < b.hour) {
return -1;
}
if (a.hour > b.hour) {
return 1;
}
return 0;
}
然后,可以将数组传递给sort()方法,并传递比较函数作为参数:
array.sort(compare);
这将按照week和hour排序数组。
相关问题
[ { "name": "温度", "unit": "℃", "week": "周日", "hour": "0:00", "value": "16.0" }, { "name": "温度", "unit": "℃", "week": "周日", "hour": "10:00", "value": "16.2" }, { "name": "温度", "unit": "℃", "week": "周日", "hour": "11:00", "value": "16.6" }] 上面数组。js按week和hour排序
可以使用JavaScript的sort()方法对数组进行排序,具体代码如下:
```
let arr = [
{ "name": "温度", "unit": "℃", "week": "周日", "hour": "0:00", "value": "16.0" },
{ "name": "温度", "unit": "℃", "week": "周日", "hour": "10:00", "value": "16.2" },
{ "name": "温度", "unit": "℃", "week": "周日", "hour": "11:00", "value": "16.6" }
];
arr.sort((a, b) => {
if (a.week === b.week) {
return a.hour.localeCompare(b.hour);
} else {
return a.week.localeCompare(b.week);
}
});
console.log(arr);
```
输出结果为:
```
[
{ name: '温度', unit: '℃', week: '周日', hour: '0:00', value: '16.0' },
{ name: '温度', unit: '℃', week: '周日', hour: '10:00', value: '16.2' },
{ name: '温度', unit: '℃', week: '周日', hour: '11:00', value: '16.6' }
]
```
python {"name": "value"}是什么类型
在 Python 中,{"name": "value"} 是一个字典(Dictionary)类型的数据。字典是一种可变的、无序的、键值对(key-value)形式的数据集合,其中每个键(key)必须是唯一的,可以使用任何不可变类型作为键,如字符串、数字或元组。键对应的值(value)可以是任何类型的数据,如字符串、数字、列表或其他字典。
示例:
```
my_dict = {"name": "John", "age": 30, "city": "New York"}
print(my_dict)
```
输出:
```
{'name': 'John', 'age': 30, 'city': 'New York'}
```
在上面的示例中,我们定义了一个字典对象 `my_dict`,其中包含了三个键值对。键分别为 "name"、"age" 和 "city",对应的值分别为 "John"、30 和 "New York"。我们可以通过键来访问对应的值,如 `my_dict["name"]` 返回 "John"。