       data: [[2, 43]]
                }, {
                    name: 'two points',
                    type: 'line',
                    data: [[2, 43], [4, 99]]
                }]
            });
        </script>





        <script>
            makeChart('main5', {
                legend: {
                    data: ['no point', 'one point', 'two points'],
                    selectedMode: 'single'
                },
                tooltip: {
                    trigger: 'axis',
                    ax