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Result Size: 625 x 571
x
 
<!DOCTYPE html>
<html>
<body>
<h2>JavaScript Can Validate Input</h2>
<p>Please input a number between 1 and 10:</p>
<input id="numb">
<button type="button" onclick="myFunction()">Submit</button>
<p id="demo"></p>
<script>
function myFunction() {
  var x, text;
  // Get the value of the input field with id="numb"
  x = document.getElementById("numb").value;
  // If x is Not a Number or less than one or greater than 10
  if (isNaN(x) || x < 1 || x > 10) {
    text = "Input not valid";
  } else {
    text = "Input OK";
  }
  document.getElementById("demo").innerHTML = text;
}
</script>
</body>
<!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_validation_number by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:39:35 GMT -->
</html> 
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