ay</h2>
                </header>
                <sparkline id="orange" color="orange" width="4em" height="1em"
                    data="data1 = Array(30).fill(0).map(() => Math.random() * 100)">
                </sparkline>
                Provide data via an array of numbers.
            </aside>
            <aside>
                <header>
                    <h2>Update Javascript array</h2>
                </header>
                <sparkline id="red" color="red"
                    data-timer="Math.r