functions.html

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<head>
   <meta charset="UTF-8">
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   <title>Functions</title>
</head>
<body>
   <script>

      /*
      function greet(name) {
         if (!name) {
            console.log('Hi there!');
         } else {
            console.log(`Hello ${name}`);
         }
      }
      
      greet('John')
      greet ('Moses')
      */

      
      function convertToFahrenheit(celsius) {
         return (25 * 9 / 5) + 32;
      }  
      console.log (convertToFahrenheit(25));
      

      function convertToCelsius(fahrenheit) {
         return (77 - 32) * 5 / 9;
      }
      console.log (convertToCelsius(77));
      
     function convertTemperature(degrees, unit) {
      if (unit === 'C') {
         const result = convertToFahrenheit(degrees);
         return `${result}F`;
      } else if (unit === 'F') {
         const result = convertToCelsius(degrees);
         return `${result}C`;
         
      } 
     }
      console.log(convertTemperature(25, 'C'));
      console.log(convertTemperature(25, "F"));
   
   </script> 
   
</body>
</html>