<html> <head> <title>Example 3.3</title> <script> function getTemp() { var temp = prompt("What's the temperature today?" , "degrees Fahrenheit"); if (temp < 32) { document.write("<p>It may snow today!</p>"); document.write("<p>Be sure to wear your boots and mittens.</p>"); } else { document.write("<p>It's too warm to snow today.</p>"); document.write("<p>Boots are optional.</p>"); } } </script> </<head> <body> <h1>What's the Weather?</h1> <h3>Click the button! </h3> <p><input type="button" id="temperature" value="What is today's temperature?" onclick="getTemp();" /></p> </body> </html>