JavaScript Doesn’t have a built-in function to add a button but you can create it. In function Add days to a new instance of JavaScript Date.
Example add days to date in JavaScript
HTML example code where we create function. A function takes 2 inputs first for the date and the second is for the day.
This takes care of automatically incrementing the month if necessary.
<!DOCTYPE html>
<html>
<body>
<script>
function addDays(date, days) {
var result = new Date(date);
result.setDate(result.getDate() + days);
return result;
}
console.log(addDays('2020-01-30',1));
</script>
</body>
</html>
Output:
Q: How to add days to the current date in JavaScript?
Answer: Same as above example, remove date parameter and use current date.
<!DOCTYPE html>
<html>
<body>
<script>
function addDays(days) {
var result = new Date();
result.setDate(result.getDate() + days);
return result;
}
console.log(addDays(1));
</script>
</body>
</html>
Output:
Do comment if you have any doubts and suggestions on this topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version