SVG

示例

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
    <rect x="50" y="50" height="100" width="100" stroke="black" fill="yellow">
        <animate
            attributeType="XML"
            attributeName="height"
            begin="0s"
            dur="10s"
            from="100"
            to="200"
            repeatCount="indefinite"
        />
    </rect>
</svg>