Code is tested with IE,FF,Chrome and works properly:
var dates=[];
dates.push(new Date("2011/06/25"))
dates.push(new Date("2011/06/26"))
dates.push(new Date("2011/06/27"))
dates.push(new Date("2011/06/28"))
var maxDate=new Date(Math.max.apply(null,dates));
var minDate=new Date(Math.min.apply(null,dates));
Top answer 1 of 14
182
Code is tested with IE,FF,Chrome and works properly:
var dates=[];
dates.push(new Date("2011/06/25"))
dates.push(new Date("2011/06/26"))
dates.push(new Date("2011/06/27"))
dates.push(new Date("2011/06/28"))
var maxDate=new Date(Math.max.apply(null,dates));
var minDate=new Date(Math.min.apply(null,dates));
2 of 14
120
Something like:
var min = dates.reduce(function (a, b) { return a < b ? a : b; });
var max = dates.reduce(function (a, b) { return a > b ? a : b; });
Tested on Chrome 15.0.854.0 dev
Reddit
reddit.com › r/learnjavascript › how to get minimum date from array of object
r/learnjavascript on Reddit: How to get minimum date from array of object
October 25, 2021 -
Hello,
I would like to get the minimum date of this array of objects bellow:
let activities = [
{ title: 'Hiking', date: '2019-06-13' },
{ title: 'Shopping', date: '2019-06-10' },
{ title: 'Trekking', date: '2019-06-22' },
{ title: 'Trekking', date: null }
]
let sortedActivities = activities.sort((a, b) => new Date(a.date) - new Date(b.date))
console.log(sortedActivities[0])
The problem is when date activities.date is null it always returns null .
What's the best way to reject null value from this comparison ?
Thanks
Top answer 1 of 3
5
Hi, the beauty of array methods is they can be chained! activities.filter(a => a.date).sort((a, b) => new Date(a.date) - new Date(b.date)) The above will first filter out objects that have null for the date and then perform the sort on that filtered array. Edit: Noticed that by the time I typed and formatted my post, u/Domsdey had already given the solution. Leaving my post here just for posterity!
2 of 3
3
activities.filter(el => el.date) This would give you only the objects that don't have 'null' for the date property.
W3Resource
w3resource.com › javascript-exercises › javascript-date-exercise-12.php
JavaScript: Minimum date from an array of dates - w3resource
July 17, 2025 - // Define a JavaScript function ... to store the minimum date and its corresponding Date object var min_dt = all_dates[0], min_dtObj = new Date(all_dates[0]); // Iterate through each date in the array using forEach method ...
30 Seconds of Code
30secondsofcode.org › home › javascript › date › min or max date
Find the minimum or maximum date using JavaScript - 30 seconds of code
January 6, 2024 - This means that, much like any other number, you can compare them and perform mathematical operations on them. Based on this observation, we can use the Math.min() and Math.max() methods to find the minimum or maximum date in an array of dates.
Medium
medium.com › @luke.sloanebulger › how-to-find-the-min-and-max-dates-in-a-javascript-array-baa6dd5deb66
How To Find The Min and Max Dates in a JavaScript Array? | by Luke Sloane-Bulger | Medium
November 3, 2023 - To get the min and max date from an array of dates in JavaScript, we can use the Math.min() and Math.max() static methods. Then using the spread operator ... on the array to pass each date as an argument in the Math.min() and Math.max() converts ...
GeeksforGeeks
geeksforgeeks.org › how-to-select-min-max-dates-in-an-array-using-javascript
How to Select Min/Max Dates in an Array Using JavaScript? | GeeksforGeeks
December 31, 2024 - The code uses reduce() to iterate through the dates array, comparing two dates (a and b) at a time. It finds: Minimum date (minDate): By keeping the smaller of a and b.
Java2s
java2s.com › Tutorials › Javascript › Javascript_Data_Type_How_to › Date › Get_Min_Max_of_dates_in_an_array.htm
Javascript Data Type How to - Get Min/Max of dates in an array
Javascript Data Type How to - Get Min/Max of dates in an array
Plain English
plainenglish.io › home › blog › javascript › how to get the min and max dates in a javascript date array?
How to Get the Min and Max Dates in a JavaScript Date Array?
March 23, 2023 - In this article, we’ll look at how to the min and max dates in a JavaScript date array. We can use the Math.max and Math.min methods to get the max and min dates respectively.
JavaScript in Plain English
javascript.plainenglish.io › how-to-get-the-min-and-max-dates-in-a-javascript-date-array-1fee265b7cdf
How to Get the Min and Max Dates in a JavaScript Date Array? | by John Au-Yeung | JavaScript in Plain English
March 23, 2023 - In this article, we’ll look at how to the min and max dates in a JavaScript date array. We can use the Math.max and Math.min methods to get the max and min dates respectively.
Bobby Hadz
bobbyhadz.com › blog › javascript-get-max-min-date-in-array-of-objects
Get the Max/Min Date in an Array of Objects in JavaScript | bobbyhadz
We used the spread syntax (...), because the Math.max() and Math.min() functions expect multiple, comma-separated numbers, which means we can't directly pass an array. This works because each date stores a timestamp under the hood.
Top answer 1 of 7
19
1) Use map to extract the dates:
var dates = data.map(function(x) { return new Date(x[4]); })
2) Use Math.max / Math.min to get the highest / lowest dates:
var latest = new Date(Math.max.apply(null,dates));
var earliest = new Date(Math.min.apply(null,dates));
2 of 7
2
var data = [
[1, 622, 782, 783, "2015-04-21"],
[2, 622, 782, 783, "2015-04-21"],
[3, 622, 782, 783, "2015-04-22"],
[4, 622, 782, 783, "2015-04-23"],
[5, 622, 782, 783, "2015-04-24"],
[6, 622, 782, 783, "2015-04-28"],
[7, 622, 782, 783, "2015-04-28"],
[8, 622, 782, 783, "2015-04-29"],
[9, 622, 782, 783, "2015-05-04"],
[10, 622, 782, 783, "2015-05-05"]
];
var minIdx = 0, maxIdx = 0;
for(var i = 0; i < data.length; i++) {
if(data[i][4] > data[maxIdx][4]) maxIdx = i;
if(data[i][4] < data[minIdx][4]) minIdx = i;
}
alert('Max: ' + maxIdx + ', ' + data[maxIdx][4]);
alert('Min: ' + minIdx + ', ' + data[minIdx][4]);
IQCode
iqcode.com › code › javascript › find-min-and-max-date-in-array-javascript
find min and max date in array javascript Code Example
September 19, 2021 - Math.max(1, 2, 3) // 3 Math.min(1, 2, 3) // 1 var nums = [1, 2, 3] Math.min(...nums) // 1 Math.max(...nums) // 3
Tutorial Reference
tutorialreference.com › javascript › examples › faq › javascript-how-to-get-max-min-date-in-an-array
How to Get the Max or Min Date in an Array in JavaScript | Tutorial Reference
Finding the maximum or minimum date in an array is a simple task once you understand that Date objects can be compared as numbers. The core principle is to use Math.max() or Math.min() on the Date objects (or their timestamps) and then convert the result back to a Date with new Date(). For an ...
CodePal
codepal.ai › code-generator › query › p84uWZzq › javascript-function-get-min-date
JavaScript Function: Get Minimum Date from Array - CodePal
Please provide a valid array of Date objects."); } // Find the minimum date using the reduce method const minDate = dates.reduce((min, date) => (date < min ? date : min), dates[0]); return minDate; } // Usage Example const dateArray = [new ...
Piyush Mishra
codingwithpiyush.com › home › blog › getting the max/min dates in an array of objects with javascript
Getting The Max/Min Dates In An Array Of Objects With JavaScript | Piyush Mishra
December 22, 2023 - // Temporal Challenge Solution: ... = maxDate.getTime() - minDate.getTime(); return timeDifference; } ... calculateTimeDifference function takes an array of date objects as a parameter, finds the maximum and minimum dates ...
The Web Dev
thewebdev.info › home › how to get the min and max dates in a javascript date array?
How to Get the Min and Max Dates in a JavaScript Date Array? - The Web Dev
September 2, 2022 - We can use the Math.max and Math.min methods to get the max and min dates respectively. ... const dates = []; dates.push(new Date("2011/06/25")) dates.push(new Date("2011/06/26")) dates.push(new Date("2011/06/27")) dates.push(new Date("2011/06/28")) ...
Decipher
decipher.dev › mindate
minDate | 30 Seconds of Typescript - Decipher.dev
Use the ES6 spread syntax to find the minimum date value, new Date() to convert it to a Date object. const minDate = (dates) => new Date(Math.min(...dates)); const array = [ new Date(2017, 4, 13), new Date(2018, 2, 12), new Date(2016, 0, 10), ...
TutorialsPoint
tutorialspoint.com › sort-array-based-on-min-and-max-date-in-javascript
Sort array based on min and max date in JavaScript?
We are required to write a JavaScript function that takes in one such array. The function should find the oldest and the newest date from this array.
Top answer 1 of 5
5
If your array contains Date objects, then this should work. If it just contains strings like '2012-09-12 09:20', then you can sort them, and get the 1st and last elements.
a.sort(function(a, b){
return Date.parse(a) - Date.parse(b);
});
var maxT = a[a.length-1];
var minT = a[0];
2 of 5
3
Math.min/max only compares numbers, not strings. Don't use them to represent the dates, but use Date objects - they will be compared by their internal timestamp number. Still, the max/min will return that internal number, so you would need to convert it back to a Date (see Min/Max of dates in an array?):
However, if you want to use the strings or can't use the recreated Date, you will need to run manually through the array - either with a for-loop, or the ES5.1-only iterator method .reduce():
var min = datestrings.reduce(function(min, cur) {
return cur < min ? cur : min;
});
// is equivalent to
var min = datestrings[0];
for (var i=1; i<datestrings.length; i++)
if (datestrings[i] < min)
min = datestrings[i];
If your code does not need to be efficient, you also just can sort the array and get the first and last values. The default alphanumeric sorting will do it for your date format, so this is really simple:
datestrings.sort();
var min = datestrings[0],
max = datestrings[datestrings.lengh-1];
Webdevtutor
webdevtutor.net › blog › typescript-get-min-date-from-array
How to Get Minimum Date from an Array in TypeScript
const dates: Date[] = [new Date('2022-01-15'), new Date('2022-03-10'), new Date('2022-02-05')]; const minDate = new Date(Math.min(...dates.map(date => date.getTime()))); console.log('Minimum Date:', minDate); Another approach is to use the Array.reduce method to iterate over the array and keep ...