Build a Table JS

function Solve(args) {
    var start = args[0];
    var end = args[1];
    console.log('<table>');
    console.log('<tr><th>Num</th><th>Square</th><th>Fib</th></tr>');
    for (var i = start; i <= end; i++) {
        console.log('<tr><td>' + i + '</td><td>' + i * i + '</td><td>' + isFib(i) + '</td></tr>');
    }
    console.log('</table>');
    function isFib(val) {
        var prev = 0;
        var curr = 1;
        while (prev <= val) {
            if (prev == val) {
                return "yes";
                return;
            }
            curr = prev + curr;
            prev = curr - prev;
        }
        return "no";
    }
}