javascript date subtract
var _MS_PER_DAY = 1000 * 60 * 60 * 24; // a and b are javascript Date objects function dateDiffInDays(a, b) // Discard the time and time-zone information. var utc1 = Date.UTC(a.getFullYear(), a.getMonth(), a.getDate()); var .... This is the code to subtr,This will give you the difference between two dates, in milliseconds var diff = Math.abs(date1 - date2);. In your example, it'd be var diff = Math.abs(new Date() - compareDate);. You need to make sure that compareDate is a valid Date object. Something,Code: var date = new Date('2011','01','02'); alert('the original date is '+date); var newdate = new Date(date); newdate.setDate(newdate.getDate() - 7); // minus the date var nd = new Date(newdate); alert('the new date i,Try something like this: var d = new Date(); d.setDate(d.getDate()-5);. Note that this modifies the date object and returns the time value of the updated date. var d = new Date(); document.write('Today is: ' + d.toLocaleString()); d.setDate(d.getD,You are simply reducing the values from a number. So substracting 6 from 3 (date) will return -3 only. You need to individually add/remove unit of time in date object var date = new Date(); date.setDate( date.getDate() - 6 ); date.setFullYear( date.getFul, You are simply reducing the values from a number. So substracting 6 from 3 (date) will return -3 only. You need to individually add/remove unit of time in date object var date = new Date(); date.setDate( date.getDate() - 6 ); date.setFullYear( date.getFu, JavaScript. var birthday = new Date("8/1/1985"); var today = new Date(); var years = today.getFullYear() - birthday.getFullYear(); // Reset birthday to the current year. birthday.setFullYear(today.getFullYear()); // If the user's birthday h
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 javascript date subtract 相關參考資料
Get difference between 2 dates in JavaScript? - Stack Overflow
var _MS_PER_DAY = 1000 * 60 * 60 * 24; // a and b are javascript Date objects function dateDiffInDays(a, b) // Discard the time and time-zone information. var utc1 = Date.UTC(a.getFullYear(), a.getMo... https://stackoverflow.com How to subtract datetime in javascript? - Stack Overflow
This will give you the difference between two dates, in milliseconds var diff = Math.abs(date1 - date2);. In your example, it'd be var diff = Math.abs(new Date() - compareDate);. You need to make ... https://stackoverflow.com jquery - How to addsubtract dates with JavaScript? - Stack Overflow
Code: var date = new Date('2011','01','02'); alert('the original date is '+date); var newdate = new Date(date); newdate.setDate(newdate.getDate() - 7); // minus the dat... https://stackoverflow.com Subtract days from a date in JavaScript - Stack Overflow
Try something like this: var d = new Date(); d.setDate(d.getDate()-5);. Note that this modifies the date object and returns the time value of the updated date. var d = new Date(); document.write('... https://stackoverflow.com Subtract days, months, years from a date in JavaScript - Stack ...
You are simply reducing the values from a number. So substracting 6 from 3 (date) will return -3 only. You need to individually add/remove unit of time in date object var date = new Date(); date.setDa... https://stackoverflow.com Subtract days, months, years from a date in JavaScript - Stack Overflow
You are simply reducing the values from a number. So substracting 6 from 3 (date) will return -3 only. You need to individually add/remove unit of time in date object var date = new Date(); date.setD... https://stackoverflow.com 計算日期和時間(JavaScript) | Microsoft Docs
JavaScript. var birthday = new Date("8/1/1985"); var today = new Date(); var years = today.getFullYear() - birthday.getFullYear(); // Reset birthday to the current year. birthday.setFullYea... https://docs.microsoft.com |