Tryit Editor v2.9

Edit This Code:
<!DOCTYPE html>
<html>
<body>

Search: <input type="search" id="mySearch">

<p>Click the button to set the maximum number of characters allowed in the search field.</p>

<p id="demo"></p>

<button onclick="myFunction()">Try it</button>

<script>
function myFunction() {
    document.getElementById("mySearch").maxLength = "8";
    document.getElementById("demo").innerHTML = "Maximum number of characters allowed in the search field is now 8.";
}
</script>

</body>
</html>