sort array iso string date
Sorting an Array of ISO String Dates in HTML
Sorting an array of ISO string dates can be a challenging task. One of the most effective ways to accomplish this is to convert the strings into date objects and then sort them using JavaScript's built-in sort() method.
Here's an example of how you can sort an array of ISO string dates:
var dates = ['2022-01-01T00:00:00.000Z', '2021-12-31T00:00:00.000Z', '2021-12-30T00:00:00.000Z'];
dates.sort(function(a, b) {
return new Date(a) - new Date(b);
});
console.log(dates);
This code will output the following:
["2021-12-30T00:00:00.000Z", "2021-12-31T00:00:00.000Z", "2022-01-01T00:00:00.000Z"]
Explanation:
- An array of ISO string dates is created and assigned to the variable 'dates'.
- The sort() method is called on the 'dates' array, with a callback function that converts each element into a date object.
- The callback function returns the difference between the two date objects, which determines the order of the elements in the sorted array.
- The sorted 'dates' array is logged to the console.
Another way to sort an array of ISO string dates is by using the localeCompare() method:
var dates = ['2022-01-01T00:00:00.000Z', '2021-12-31T00:00:00.000Z', '2021-12-30T00:00:00.000Z'];
dates.sort(function(a, b) {
return a.localeCompare(b);
});
console.log(dates);
This code will output the same result as the previous example.
Explanation:
- An array of ISO string dates is created and assigned to the variable 'dates'.
- The sort() method is called on the 'dates' array, with a callback function that uses the localeCompare() method to compare the elements as strings.
- The sorted 'dates' array is logged to the console.