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<html>
    <head>
        <meta charset="utf-8">
        <script src="lib/simpleRequire.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/jquery.min.js"></script>
        <script src="lib/facePrint.js"></script>
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <link rel="stylesheet" href="lib/reset.css">
    </head>
    <body>
        <style>
            body {
            }
            .chart {
                height: 300px;
            }
            h1 {
                font-size: 18px;
                line-height: 40px;
                text-align: center;
                background: #ddd;
            }

        </style>
        <h1>Check animation effect when xAxis.data has empty value.</h1>
        <div class="chart" id="main1"></div>
        <h1>Check animation effect when xAxis.data has number value and same value.</h1>
        <div class="chart" id="main2"></div>


        <script>

            require([
                'echarts'
            ], function (echarts) {
                var main = document.getElementById('main1');
                if (!main) {
                    return;
                }
                var myChart = echarts.init(main);

                setInterval(function () {
                    var option = {
                        xAxis: {
                            data: ['1', '4', '2', '', '5', '', '', '']
                        },
                        yAxis: [
                            {
                                type: 'value',
                                max: 100
                            }
                        ],
                        series: {
                            type: 'bar',
                            data: []
                        }
                    };

                    var seriesData = [];
                    for (var i = 0; i < option.xAxis.data.length; i++) {
                        option.series.data[i] = Math.random() * 80;
                    }

                    myChart.setOption(option);

                }, 1000);

            });

        </script>


        <script>

            require([
                'echarts'
            ], function (echarts) {
                var main = document.getElementById('main2');
                if (!main) {
                    return;
                }
                var myChart = echarts.init(main);

                setInterval(function () {
                    var option = {
                        xAxis: {
                            data: [1, 3, 2, 5, 5, 6, 5, 7]
                        },
                        yAxis: [
                            {
                                type: 'value',
                                max: 100
                            }
                        ],
                        series: {
                            type: 'bar',
                            data: []
                        }
                    };

                    var seriesData = [];
                    for (var i = 0; i < option.xAxis.data.length; i++) {
                        option.series.data[i] = Math.random() * 80;
                    }

                    myChart.setOption(option);

                }, 1000);

            });

        </script>


    </body>
</html>