title: Load JSON array for chart( ZingChart)
body: <p>I tried to load this sample of data from external file to line zingchart, but nothing appears in chart, any suggestions ? thanks for answers.</p>
  
  <pre><code>var chartData = [{"time":"1706043693.219217:","dac":"3000,","adc":"406","voltage":"0.4956"},{"time":"1706043693.231481:","dac":"3000,","adc":"413","voltage":"0.5042"},{"time":"1706043693.242824:","dac":"3000,","adc":"409","voltage":"0.4993"},{"time":"1706043693.253953:","dac":"3000,","adc":"413","voltage":"0.5042"},{"time":"1706043693.265034:","dac":"3000,","adc":"406","voltage":"0.4956"},{"time":"1706043693.276092:","dac":"3000,","adc":"410","voltage":"0.5005"},{"time":"1706043693.287171:","dac":"3000,","adc":"409","voltage":"0.4993"},{"time":"1706043693.298221:","dac":"3000,","adc":"411","voltage":"0.5017"},{"time":"1706043693.309273:","dac":"3000,","adc":"411","voltage":"0.5017"},{"time":"1706043693.320340:","dac":"3000,","adc":"407","voltage":"0.4968"},{"time":"1706043693.331321:","dac":"3000,","adc":"410","voltage":"0.5005"},{"time":"1706043693.342464:","dac":"3000,","adc":"407","voltage":"0.4968"},{"time":"1706043693.353505:","dac":"3000,","adc":"406","voltage":"0.4956"},{"time":"1706043693.364545:","dac":"3000,","adc":"409","voltage":"0.4993"}];
  
  var myConfig = {
    "type": "line",
    "legend": {},
     "plot":{
  "aspect":"spline"
  },
   "title": {
     "text":"Back heating"
  },
    "preview":{ adjustLayout:true},
    "scale-x": {
      "zooming": true,
      "zoom-to": [0, 50],
      "item": {
        "font-size": 10
      }
    },
    "scale-x": {
      "zooming": true,
      "label": {
      "text": "axisX",
      "font-size": 16
      }
    },
    "scale-y": {
      "zooming": true,
      "guide": {
        "line-style": "dotted"
      },
      "item": {
        "font-size": 10
      },
      "label": {
      "text": "axisY",
      "font-size": 16
      }
    },
    "plot": {
      "line-width": 1,
      "aspect":"spline"
    },
    "crosshair-x": {
      "plot-label": {
        "text": "%v"
      },
      "scale-label": {
        "visible": false
      }
    },
    "crosshair-y": {
      "type": "multiple",
      "scale-label": {
        "visible": false
      }
    },
    "series": [{
      "values": chartData
    }
    ]
  };
  
  zingchart.render({
    id: 'myChart',
    data: myConfig,
    height: 400,
    width: 600
  });
  </code></pre>