Answer No : 4 : 
<html>
<head>
<title>Lionet Computer Training Institute</title>
</head>
<body>
<p>Please input a number between 1 and 10:</p><br/>
<input type="text" id="numb"><br/><br/>
<button type="button" onclick="myFunction()">Submit</button><br/>
<p id="demo"></p><br/>
<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>
Output: