Decrement the value of a month field by 3 months:
Click the button to decrement the value of the month field by 3 months.
The stepDown() method is not supported by Firefox.
<!DOCTYPE html> <html> <body> Month and year: <input type="month" id="myMonth" value="2020-11"> <button onclick="myFunction()">Test</button> <script> function myFunction() {// w ww . j a v a 2s . c o m document.getElementById("myMonth").stepDown(3); } </script> </body> </html>
The stepDown() method decrements the value of the month field by a specified number.
This method will only have an affect on Months.
| Parameter | Description |
|---|---|
| number | Required. Specifies the amount of months the month field should decrease. |
If omitted, the months are decremented by "1"