tData,
                options: {
                    responsive: true,
                    title:{
                        display:true,
                        text:'Chart.js Bubble Chart'
                    },
                    tooltips: {
                        mode: 'point'
                    }
                }
            });
        };

        document.getElementById('randomizeData').addEventListener('click', function() {
            bubbleChartData.datasets.forEach(function(dataset) {
       