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<!DOCTYPE html>
<html>
<body>
​
<h2>JavaScript Functions</h2>
​
<p id="demo"></p>
​
<script>
document.getElementById("demo").innerHTML =
"The temperature is " + toCelsius(77) + " Celsius";
​
function toCelsius(fahrenheit) {
  return (5/9) * (fahrenheit-32);
} 
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_function_variable by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 05 Jun 2019 13:22:21 GMT -->
</html>
​
​
​
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