Google 圖表 - 基礎散點圖

下面是一個基礎散點圖的示例。我們在 Google 圖表配置語法章節已經看到了繪製此圖表的配置。所以，我們來看看完整的示例。

配置

我們使用了 **ScatterChart** 類來顯示基於散點的圖表。

//scatter chart
var chart = new google.visualization.ScatterChart(document.getElementById('container'));

示例

googlecharts_scatter_basic.htm

即時演示

<html>
   <head>
      <title>Google Charts Tutorial</title>
      <script type = "text/javascript" src = "https://www.gstatic.com/charts/loader.js">
      </script>
      <script type = "text/javascript">
         google.charts.load('current', {packages: ['corechart']});     
      </script>
   </head>
   
   <body>
      <div id = "container" style = "width: 550px; height: 400px; margin: 0 auto">
      </div>
      <script language = "JavaScript">
         function drawChart() {
            // Define the chart to be drawn.
            var data = new google.visualization.DataTable();
            data.addColumn('number', 'Age');
            data.addColumn('number', 'Weight');
            data.addRows([
               [ 8,      12],
               [ 4,      5.5],
               [ 11,     14],
               [ 4,      5],
               [ 3,      3.5],
               [ 6.5,    7]
            ]);
               
            // Set chart options
            var options = {
               'title':'Age vs Weight',
               'width':550,
               'height':400,
               'legend': 'none'
            };

            // Instantiate and draw the chart.
            var chart = new google.visualization.ScatterChart(document.getElementById('container'));
            chart.draw(data, options);
         }
         google.charts.setOnLoadCallback(drawChart);
      </script>
   </body>
</html>

結果

驗證結果。

googlecharts_scatter_charts.htm

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