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I need to use the cross hair on multi-series chart, and the chart number is a variable . the code is follow:
<? for ($i=0;$i<count($selItem);$i++) { ?>
<script type=”text/javascript”> $(function () { var chart = new CanvasJS.Chart(“chartContainer<? echo $i ?>”, {
//width: 100%, zoomEnabled: true, animationEnabled: true, //exportEnabled: true,
title: { text: “<? echo $selMsgName[$i] ?>” }, toolTip:{ shared: true }, axisX:{ crosshair : { enabled: true, color: “orange”, labelFontColor: “#F8F8F8”} },
axisY:{ margin: 30, interval: 1, labelFormatter: function (e) { return customLabel<? echo $i ?>(e.value); }, crosshair : { enabled: true, color: “orange”, labelFontColor: “#F8F8F8”},
},
data: [ { type: “stepLine”, connectNullData: true, markerSize: 5, dataPoints: [<? echo $data[$i] ?>] } ] }); chart.render(); }); </script>
<? } ?>
how can i do?