10 examples of 'compare two dates in jquery' in JavaScript

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export function datesAreEqual(date1: Date, date2: Date) {
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  if (date1 instanceof Date && date2 instanceof Date) {
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    return (
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      date1.getFullYear() === date2.getFullYear() &&
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      date1.getMonth() === date2.getMonth() &&
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      date1.getDate() === date2.getDate()
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    );
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  } else {
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    return false;
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  }
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}

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function daysAreSame(date1,date2){
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	var month1 = date1.getMonth();
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	var day1 = date1.getDate();
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	var year1 = date1.getFullYear();
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	var month2 = date2.getMonth();
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	var day2 = date2.getDate();
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	var year2 = date2.getFullYear();
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	return month1==month2 && day1 == day2 && year1 == year2;
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}

6
export default function areDatesEqual(date1, date2) {
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    return date1.getFullYear() === date2.getFullYear() && date1.getMonth() === date2.getMonth() && date1.getDate() === date2.getDate(); // TODO: UTC-comparison
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}

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function compareDateString(datetime1, datetime2)
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{
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    var date1 = new Date(datetime1);
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    var date2 = new Date(datetime2);
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    return (date1 - date2);
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}

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export default function sortDates(
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  arrayOfDates: Array
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): Array {
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  return arrayOfDates.sort(compareMomentDates);
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}

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export function date_sort_asc (date1: Date, date2: Date) {
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  // This is a comparison function that will result in dates being sorted in
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  // ASCENDING order. As you can see, JavaScript's native comparison operators
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  // can be used to compare dates. This was news to me.
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  if (date1 > date2) return 1;
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  if (date1 < date2) return -1;
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  return 0;
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}

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static dateTimeCompararer(value1, value2) { return (value1.getTime() == value2.getTime()); }

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function sortDate(a, b) {
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    return b.timestamp - a.timestamp;
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}

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function compareTime (a, b) {
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  return a.date.getTime() >= b.date.getTime() ? 1 : -1
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}

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export function isBetweenDates(dateToCheck, startDate, endDate) {
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  return (!(isBeforeDate(dateToCheck, startDate)) &&
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          !(isAfterDate(dateToCheck, endDate)));
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}