Answer to Stack Overflow question: http://stackoverflow.com/questions/38375917/highcharts-size-doesnt-change-on-div-animate

Mike Zavarello

HTML

<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>

<div class="chartDiv">
    <div id="chartContainer"></div>
</div>

CSS

.chartDiv {
    position: absolute;
    height: 1280px;
    width: 720px;
    top:0px;
    left:0px;
}
#chartContainer {
    position:absolute;
    height:100%;
    width:100%;
}

JavaScript

$(function () {

  $('#chartContainer').highcharts({
    title: {
      text: 'Monthly Average Temperature',
      x: -20 //center
    },
    subtitle: {
      text: 'Source: WorldClimate.com',
      x: -20
    },
    xAxis: {
      categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
                   'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
    },
    yAxis: {
      title: {
        text: 'Temperature (°C)'
      },
      plotLines: [{
        value: 0,
        width: 1,
        color: '#808080'
      }]
    },
    tooltip: {
      valueSuffix: '°C'
    },
    legend: {
      layout: 'vertical',
      align: 'right',
      verticalAlign: 'middle',
      borderWidth: 0
    },
    series: [{
      name: 'Tokyo',
      data: [7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6]
    }, {
      name: 'New York',
      data: [-0.2, 0.8, 5.7, 11.3, 17.0, 22.0, 24.8, 24.1, 20.1, 14.1, 8.6, 2.5]
    }, {
      name: 'Berlin',
      data: [-0.9, 0.6, 3.5, 8.4, 13.5, 17.0, 18.6, 17.9, 14.3, 9.0, 3.9, 1.0]
    }, {
      name: 'London',
      data: [3.9, 4.2, 5.7, 8.5, 11.9, 15.2, 17.0, 16.6, 14.2, 10.3, 6.6, 4.8]
    }]
  });

  $(".chartDiv").animate({
    width: "100%",
    height: "100%"
  }, function () {
    $('#chartContainer').highcharts().setSize(
    	$(".chartDiv").width(), // new width of the containing div
      $(".chartDiv").height(), // new height of the containing div
      false	// don't animate the chart itself changing
    );
  });

});