You can pass plugin options using data-options attribute. Please make sure to use valid json code.
Plugin DocsJSON Formatter<span class="sparkline" data-values="[2, 4, 3, 4, 5, 4, 5, 4, 3, 4, 5, 6, 4, 5, 6, 3, 5, 4, 5, 4, 5, 4, 3, 4, 5, 6, 7, 5, 4, 3, 5, 6]" data-options='{ "type": "bar", "height": "125", "barWidth": 13, "colorMap": { "7": "#a1a1a1" }, "barSpacing": 2, "barColor": "#26B99A" }'></span>