Fizz Buzz

Shown with Prism.js

                
                document.getElementById("btnFizzBuzz").addEventListener("click", function () 
                let fizz=Number(document.getElementById("txtFizzBuzzIn1").value);
                let buzz=Number(document.getElementById("txtFizzBuzzIn2").value);
                let output=DoFizzBuzzFoundation(fizz, buzz);
                document.getElementById("pFizzBuzzOut").innerHTML=output;
                );
                function DoFizzBuzzFoundation(fizz, buzz) 
                let output=" " ;
                let output2=" " ;
                for (let loop=1; loop <= 100; loop++) 
                    let fizzRemainder = loop % fizz;
                    let buzzRemainder = loop % buzz;
                    if (fizzRemainder == 0 && buzzRemainder == 0) { output += ` class="btn btn-dark" +""> 
                    FIZZBUZZ  `; 
                    else if (fizzRemainder == 0) { output += ` class="btn btn-light" +""> FIZZ  `; 
                    else if (buzzRemainder == 0) { output += ` class="btn btn-warning" +""> BUZZ  `; 
                    else { output += `${loop + "" + ""} `; }


                    output2 += `loop value:${loop} 
 FR:${loop}% ${fizz} =$ {fizzRemainder} 
 BR:$ {loop} % $ {buzz} 
                =$ {buzzRemainder} 

`;
                        
                let result2 = document.getElementById("inner");
                result2.innerHTML = output2;

                return output;