<!DOCTYPE html>
<html>
<body>
<h1>JavaScript Statements</h1>
<h2>The if...else Statements</h2>
<p>Please input a number between 1 and 10:</p>
<input id="numb" type="text">
<button type="button" onclick="myFunction()">Submit</button>
<p id="demo"></p>
<script>
function myFunction() {
var x, text;
x = document.getElementById("numb").value;
if (isNaN(x) || x < 1 || x > 10) {
text = "Input not valid";
} else {
text = "Input OK";
}
document.getElementById("demo").innerHTML = text;
}
</script>
</body>
</html>