x
<html><body><h2>JavaScript Celcius to Fahrenhet</h2><p>Insert a number into one of the input fields below:</p><p><input id="c" onkeyup="convert('C')"> degrees Celsius</p><p><input id="f" onkeyup="convert('F')"> degrees Fahrenheit</p> <p>Note that the <b>Math.round()</b> method is used, so that the result will be returned as an integer.</p><script>function convert(degree) { var x; if (degree == "C") { x = document.getElementById("c").value * 9 / 5 + 32; document.getElementById("f").value = Math.round(x); } else { x = (document.getElementById("f").value -32) * 5 / 9; document.getElementById("c").value = Math.round(x); }}</script></body></html>