Javascript DOM HTML Input Number stepUp() Method

Introduction

Increment the value of a number field by 5: 

document.getElementById("myNumber").stepUp(5);

Click the button to increment the value of the number field by 5.

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<!DOCTYPE html>
<html>
<body>

Number: <input type="number" id="myNumber">

<button onclick="myFunction()">Test</button>
<script>
function myFunction() {/*from  w ww  .  ja  va  2s  . co m*/
  document.getElementById("myNumber").stepUp(5);
}
</script>

</body>
</html>

The stepUp() method increments the value of the number field by a specified number.

Parameter Description
numberRequired. Specifies the amount the value of the number field should increase.

If omitted, the numbers are incremented by "1"




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