save js2

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function generateData() {     var data = [];     for (var i = 0; i <= 20; i++) {       for (var j = 0; j <= 20; j++) {         for (var k = 0; k <= 20; k++) {           data.push([i, j, k, Math.random(10)*5+16 ]);         }       }     }     return data;   } var data = generateData(); myChart.setOption(     (option = {       visualMap: {         show: false,         min: 2,         max: 20,         inRange: {           color: [             '#313695',             '#4575b4',             '#74add1',             '#abd9e9',             '#e0f3f8',             '#ffffbf',             '#fee090',             '#fdae61',             '#f46d43',             '#d73027',             '#a50026'           ]         }       },       xAxis3D: {         type: 'value'       },       yAxis3D: {         type: 'value'       },       zAxis3D: {         type: 'value',         max: 20,         min: 0       },       grid3D: {         axisLine: {           lineStyle: { color: '#fff' }         },         axisPointer: {           lineStyle: { color: '#fff' }         },         viewControl: {           // autoRotate: true         },         light: {           main: {             shadow: true,             quality: 'ultra',             intensity: 2.5           }         }       },       series: [         {           type: 'bar3D',           data: data,           shading: 'lambert',           label: {             formatter: function (param) {               return param.value[2].toFixed(1);             }           }         }       ]     })   );