HTML DOM Input Number stepUp() Method


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

Syntax

Following is the syntax −

object.stepUp(number)

Here, if number parameter is omitted then it increments the value by 1.

Example

Let us see an example of HTML DOM input number stepUp() method −

 Live Demo

<!DOCTYPE html>
<html>
<head>
<title>HTML DOM stepUp()/stepDown() Demo</title>
<style>

   body{
      text-align:center;
      background: linear-gradient(62deg, #FBAB7E 0%, #F7CE68 100%)
      center/cover no-repeat;
      height:100vh;
      color:#fff;
   }

   p{
      font-size:1.5rem;
   }

   input{
      width:40%;
   }

   button{
      background-color:#db133a;
      color:#fff;
      padding:8px;
      border:none;
      width:120px;
      margin:1rem;
      border-radius:50px;
      outline:none;
      cursor:pointer;
   }

</style>
</head>
<body>
<h1>stepUp()/stepDown() Method Demo</h1>
<p>Hi! How old are you?</p>
<input type="number">
<br>
<button onclick="incValue()">StepUp Value</button>
<button onclick="decValue()">StepDown Value</button>
<script>
   function incValue() {
      document.querySelector("input").stepUp(10);
   }
   function decValue() {
      document.querySelector("input").stepDown(10);
   }
</script>
</body>
</html>

Output

This will produce the following output −

Now Click on “StepUp Value” or “StepDown Value” button to increment or decrement the value of input number field.


raja
Published on 18-Jul-2019 13:49:11
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