JavaScript - Exam - Prices Trends

function pricesTrends(arr) {
    var numbers = arr.map(Number);
    var firstNumber = numbers[0].toFixed(2);
    console.log('<table>');
    console.log('<tr><th>Price</th><th>Trend</th></tr>');
    console.log('<tr><td>' + firstNumber + '</td><td><img src="fixed.png"/></td></td>');
    for (var number in numbers) {
        numbers[number] = numbers[number].toFixed(2);
    }
    for (var i = 1; i <= arr.length; i++) {
        if (numbers[i] > numbers[i-1]) {
            console.log('<tr><td>' + numbers[i] + '</td><td><img src=\"up.png\"/></td></td>')
        }
        else if (numbers[i] < numbers[i-1]) {
            console.log('<tr><td>' + numbers[i] + '</td><td><img src=\"down.png\"/></td></td>')
        }
        else if (numbers[i] == numbers[i-1]) {
            console.log('<tr><td>' + numbers[i] + '</td><td><img src=\"fixed.png\"/></td></td>')
        }

    }
    console.log('</table>');
}