document.addEventListener("DOMContentLoaded", function() {
	var options = {
		chart: {
			height: 350,
			type: "treemap",
			zoom: {
				enabled: false
			},
			toolbar: {
				show: false
			},
			events: {
			  mounted: function(chartContext, config) {
				setTimeout(() => {  document.getElementsByClassName("apexcharts-subtitle-text")[0].addEventListener('click', clickDiv); }, 1000);
			  }
			}
					},
		title: {
			text: "treemap",
			align: 'left',
			margin: 0,
			offsetX: 0,
			offsetY: 0,
			floating: false,
			style: {
			  fontSize:  '14px',
			  fontWeight:  'bold',
			  fontFamily:  undefined,
			  color:  '#263238'
			}
		},
		subtitle: {
			  text: '© govstats.us',
			  align: 'right',
			  margin: 0,
			  offsetX: 0,
			  offsetY: 45, // 295
			  floating: true,
			  style: {
				fontSize:  '11px',
				fontWeight:  'normal',
				fontFamily:  undefined,
				color:  '#AAA',
				background: '#FFF'
			  },
		  },
		series: [
          {
            data: [
              {
                x: 'New Delhi',
                y: 218
              },
              {
                x: 'Kolkata',
                y: 149
              },
              {
                x: 'Mumbai',
                y: 184
              },
              {
                x: 'Ahmedabad',
                y: 55
              },
              {
                x: 'Bangaluru',
                y: 84
              },
              {
                x: 'Pune',
                y: 31
              },
              {
                x: 'Chennai',
                y: 70
              },
              {
                x: 'Jaipur',
                y: 30
              },
              {
                x: 'Surat',
                y: 44
              },
              {
                x: 'Hyderabad',
                y: 68
              },
              {
                x: 'Lucknow',
                y: 28
              },
              {
                x: 'Indore',
                y: 19
              },
              {
                x: 'Kanpur',
                y: 29
              }
            ]
          }
        ]
			}
	var chart = new ApexCharts(
		document.querySelector("#chart"),
		options
	);
	chart.render();
	function clickDiv() { console.log("https://govstats.us/metric/treemap"); }
	});