ss="keyword">else</span> document.createElement(<span class="string">'canvas'</span>)
    cnv.width = width
    cnv.height = height

    context = cnv.getContext(<span class="string">"2d"</span>)
    gradient = context.createRadialGradient(centerX, centerY, radius1, centerX, centerY, radius2)

    gradient.addColorStop(<span class="number">1</span>, <span class="string">"white"</span>)
    gradient.addColorStop(<span class="number">0</span>, <span class="string">"black"</span>)

    context.fillStyle = grad