test/tree-setOption-twice.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>
</head>

<body>
    <style>
        html,
        body,
        #main {
            width: 100%;
            padding: 0;
            margin: 0;
            height: 100%;
        }
    </style>
    <div id="main"></div>
    <script>
        require([
            'echarts'
        ], function (echarts) {
            var chart = echarts.init(document.getElementById('main'), null, {

            });

            chart.setOption({
                series: [{
                    type: 'tree',
                    data: [{
                        "name": "display",
                        "children": [
                            { "name": "DirtySprite", "value": 8833 },
                            { "name": "LineSprite", "value": 1732 },
                            { "name": "RectSprite", "value": 3623 }
                        ]
                    },]
                }]
            });

            setTimeout(function () {
                chart.setOption({
                    series: [{
                        type: 'tree',
                        data: [{
                            "name": "flex",
                            "children": [
                                { "name": "FlareVis", "value": 4116 }
                            ]
                        }]
                    }]
                }, true);
            }, 500);
        });
    </script>
</body>

</html>