var java = 'Type your javascript here!' console.log('this is great!'); function myFunction() { var x, text; // Get the value of the input field with id="numb" x = document.getElementById("numb").value; while (x > 10) { x--; } // 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; }