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Get Yesterday Date in JavaScript
Learn to remove one day-to-date in JavaScript using the native date object.
How to Get Yesterday Date in JavaScript?
The best way to get yesterdays date in JavaScript is by using the Date object. On an existing Date
, you can use the getDate
function to get the day (between 1 and 31), subtract 1 to this number, then use setDate
to update the date. Here's a short example: date.setDate(date.getDate() - 1)
.
Using the JavaScript Date Object
In JavaScript, youll often manipulate the Date object to do diverse operations (e.g., subtract days from a date, format a date, etc.).
If you want to get yesterdays date in JavaScript, you can use a combination of these two Date
functions:
yourDate.getDate()
: get the day of the month (you'll get a number between 1 and 31)yourDate.setDate()
: update the day of the date to the number passed as a parameter
In practice, lets say you have this date: 15/11/2022
. The getDate()
function will return 15
. Then you can subtract one day to this number 15 - 1 = 14
. Finally, use setDate()
to update the day of the month for your current date object.
Heres a commented example:
// Create a dateconst todayDate = new Date()// Before subtracting 1 dayconsole.log(todayDate.toString())// Output: "Tue Nov 15 2022 13:37:12 GMT+0100 (Central European Standard Time)"// Subtract one day to the current datetodayDate.setDate(todayDate.getDate() - 1)// After removing 1 dayconsole.log(todayDate.toString())// Output: "Mon Nov 14 2022 13:37:12 GMT+0100 (Central European Standard Time)"
Now that you know how to subtract days from a date, you can learn how to add one day to date in JavaScript.
Bonus: Create a Function to Get Yesterday Date
Now you know how to remove days to a date, lets make your code fancy!
One way to do that is to create a function that takes a date as a parameter, subtracts one day, and returns it.
Following what we did in the last part, heres how:
// Create a function to make the logic genericconst removeOneDayToDate = (date) => { date.setDate(date.getDate() - 1) return date}// Get the current dateconst date = new Date()// Before removing 1 dayconsole.log(date.toString())// Output: "Tue Nov 15 2022 13:37:12 GMT+0100 (Central European Standard Time)"// Call `removeOneDayToDate` with the current date// and assign the result to a new variable called `yesterdayDate`const yesterdayDate = removeOneDayToDate(date);// After subtracting 1 dayconsole.log(yesterdayDate.toString());// Output: "Mon Nov 14 2022 13:37:12 GMT+0100 (Central European Standard Time)"
Thanks for reading. Lets connect!
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Original Link: https://dev.to/gaelgthomas/get-yesterday-date-in-javascript-1841
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