The HTML step attribute define a number interval for an <input> element in an HTML document.
Syntax
Following is the syntax −
<input step=”number”>
Let us see an example of HTML step Attribute −
Example
<!DOCTYPE html>
<html>
<style>
body {
color: #000;
height: 100vh;
background-color: #8BC6EC;
background-image: linear-gradient(135deg, #8BC6EC 0%, #9599E2 100%);
text-align: center;
}
</style>
<body>
<h1>HTML step Demo</h1>
<p>Enter the number of order:</p>
<input type="number" step="5" value="0">
</body>
</html>Output

Now enter any number and then try to increment or decrement it by using arrow up/down key.
