smilXHR_helper.svg

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Checkerboard

<svg id="svg" xmlns="http://www.w3.org/2000/svg" width="120px" height="120px">

  <circle id="circ" cx="20" cy="20" r="15" fill="blue">

    <animate id="animXML" attributeName="cx" attributeType="XML"

             from="500" to="600" begin="0s" dur="4s"/>

    <animate id="animCSS" attributeName="opacity" attributeType="CSS"

             from="0.2" to="0.3" begin="0s" dur="4s"/>

  </circle>

</svg>