test/tooltip-refresh.html

<!DOCTYPE html>
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<html>

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <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>
    <script src="lib/testHelper.js"></script>
    <!-- <script src="ut/lib/canteen.js"></script> -->
    <link rel="stylesheet" href="lib/reset.css" />
</head>

<body>
    <style>
    </style>


    <div id="main0"></div>


    <script>

        var option;

        require([
            'echarts'/*, 'map/js/china' */
        ], function (echarts) {

            var option = {
                tooltip: {
                    trigger: 'axis'
                },
                legend: {
                    data: ['Forest', 'Steppe', 'Desert', 'Wetland']
                },
                xAxis: [
                    {
                        type: 'category',
                        axisTick: { show: false },
                        data: ['2012', '2013', '2014', '2015', '2016']
                    }
                ],
                yAxis: [
                    {
                        type: 'value'
                    }
                ],
                series: [
                    {
                        name: 'Forest',
                        type: 'bar',
                        barGap: 0,
                        emphasis: {
                            focus: 'series'
                        },
                        data: [320, 332, 301, 334, 390]
                    },
                    {
                        name: 'Steppe',
                        type: 'bar',
                        emphasis: {
                            focus: 'series'
                        },
                        data: [220, 182, 191, 234, 290]
                    },
                    {
                        name: 'Desert',
                        type: 'bar',
                        emphasis: {
                            focus: 'series'
                        },
                        data: [150, 232, 201, 154, 190]
                    },
                    {
                        name: 'Wetland',
                        type: 'bar',
                        emphasis: {
                            focus: 'series'
                        },
                        data: [98, 77, 101, 99, 40]
                    }
                ]
            };
            var chart = testHelper.create(echarts, 'main0', {
                title: 'Switch tooltip to item after 2s',
                option: option
            });
            setTimeout(() => {
                chart.setOption({ tooltip: { trigger: 'item' } });
            }, 2000);

        });

    </script>
</body>

</html>