The HTML DOM Input Date stepUp() method defines the amount of days the date field should increase.
Syntax
Following is the syntax −
Calling stepUp method with a number, which by default is equal to 1
inputDateObject.stepUp(number)
Example
Let us see an example of Input Date stepUp method −
<!DOCTYPE html>
<html>
<head>
<title>Input Date stepUp()</title>
</head>
<body>
<form>
<div>
Calendar: <input type="date" id="dateSelect" value="2019-06-06">
</div>
</form>
<button onclick="changeStep(2)">Increase by 2</button>
<button onclick="changeStep(3)">Increase by 3</button>
<div id="divDisplay"></div>
<script>
var divDisplay = document.getElementById("divDisplay");
var inputDate = document.getElementById("dateSelect");
function changeStep(num){
if(num===2)
inputDate.stepUp(2);
else
inputDate.stepUp(3);
divDisplay.textContent = 'Current date increased by: '+num;
}
</script>
</body>
</html>Output
This will produce the following output −
Clicking ‘Increase by 2’ button −

Clicking ‘Increase by 3’ button −
