Change the legal month intervals:
document.getElementById("myMonth").step = "2";
Click the button to change the value of the step attribute of the month field.
The step property is not supported in Firefox.
<!DOCTYPE html> <html> <body> Month: <input type="month" id="myMonth"> <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {/*from www . j a va 2 s .c om*/ document.getElementById("myMonth").step = "2"; document.getElementById("demo").innerHTML = "Step was set to '2', meaning that the user can only select every second month in the calendar."; } </script> </body> </html>
The step
property sets or gets the value of the step attribute of a month field.
The step attribute sets the month intervals to choose from when the user opens the calendar in the month field.
For example, if step = "2", you can only select every second month in the calendar.
The <input type="month"> element is not supported in Firefox.
The step
property accepts and returns a number type value.
Default is 1 month.