html, body {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

​

#container {

    width: 100%;

    height: 96%;

}

anychart.onDocumentLoad(function () {

  // create an instance of a pie chart

  var chart = anychart.pie();

  // set the data

    chart.data([

    ["Chocolate", 5],

    ["Rhubarb compote", 2],

    ["Crêpes Suzette", 2],

    ["American blueberry", 2],

    ["Buttermilk", 1]

  ]);

  // set chart title

  chart.title("Top 5 pancake fillings");

  // set the container element 

  chart.container("container");

  // initiate chart display

  chart.draw();

  document.getElementById('disposeBtn').addEventListener('click', ()=>disposeChart(chart))

});

​

function disposeChart(chart){

    chart.dispose();

}