tableBuilder

function buildTable(arr){
    var start = arr[0];
    var end = arr[1];

    console.log("<table>")
    console.log("<tr><th>Num</th><th>Square</th><th>Fib</th></tr>")

    function fibChecker(num){
       var firstNum = 0;
        var secondNum = 1;
        var fibNum = firstNum + secondNum;
        var isFib;

       while(fibNum <= num){
           if(fibNum == num){
               isFib = 'yes';
               break;
           } else{
           firstNum = secondNum;
           secondNum = fibNum;
           fibNum = firstNum + secondNum;
           isFib = 'no';
           }
       }
       return(isFib);

    }

    for(var i = start; i <= end; i++){
        console.log("<tr><td>" + i + "</td><td>" + i*i + "</td><td>" + fibChecker(i) + "</td></tr>")
    }
    console.log('</table>')

}