JavaScript Examples
Dave Braunschweig
Temperature
// This program asks the user for a Fahrenheit temperature, // converts the given temperature to Celsius, // and displays the results. // // References: // https://www.mathsisfun.com/temperature-conversion.html // https://en.wikibooks.org/wiki/JavaScript main(); function main() { var fahrenheit = getFahrenheit(); var celisus = calculateCelsius(fahrenheit); displayResult(fahrenheit, celisus); } function getFahrenheit() { var fahrenheit = input("Enter Fahrenheit temperature:"); return fahrenheit; } function calculateCelsius(fahrenheit) { var celisus = (fahrenheit - 32) * 5 / 9; return celisus; } function displayResult(fahrenheit, celisus) { output(fahrenheit + "° Fahrenheit is " + celisus + "° Celsius"); } function input(text) { if (typeof window === 'object') { return prompt(text) } else if (typeof console === 'object') { const rls = require('readline-sync'); var value = rls.question(text); return value; } else { output(text); var isr = new java.io.InputStreamReader(java.lang.System.in); var br = new java.io.BufferedReader(isr); var line = br.readLine(); return line.trim(); } } function output(text) { if (typeof document === 'object') { document.write(text); } else if (typeof console === 'object') { console.log(text); } else { print(text); } }
Output
Enter Fahrenheit temperature: 100 100° Fahrenheit is 37.7777777777778° Celsius