1// NaN: Not a Number in javascript
2console.log(parseInt('1.23')); // 1.23
3console.log(parseInt('something')); // NaN
1<html>
2 <head>
3 <script type = "text/javascript">41415</script>
16 </head>
17
18 <body>
19 <p>Click the following to see the result:</p>
20 <form>
21 <input type = "button" value = "Click Me" onclick = "showValue();" />
22 </form>
23 </body>
24</html>