<html>
<body>
<p>A number divided by a string is not a number</p>
<p>A number divided by a numeric string is a number</p>
<p id="demo"></p>
<script>
var x = 1000 / "Apple";
var y = 1000 / "1000";
document.getElementById("demo").innerHTML = isNaN(x) + "<br>" + isNaN(y);
</script>
</body>
</html>