jQuery と Chart.js で棒グラフを作る

6464 ワード
chart.js graph jQuery jQuery テキストリンク

index.html
<!DOCTYPE html>
<html lang="ja">
<head>
<meta http-equiv="CONTENT-TYPE" content="text/html; charset=utf-8" />
<title>Chart.js 棒グラフ</title>
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/3.6.2/chart.min.js"></script>
<script src="bar_graph.js"></script>
</head>
<body>
<h1>Chart.js 棒グラフ</h1>
<canvas id="chart" height="200" width="400"></canvas>
<hr />
Dec/09/2021<p />
</body>
</html>
bar_graph.js
// ----------------------------------------------------------------------
//  bar_graph.js
//
//                  May/16/2017
// ----------------------------------------------------------------------
jQuery (function ()
{
    const config = {
        type: 'bar',
        data: barChartData,
        responsive : true
        }

    const context = jQuery("#chart")
    const chart = new Chart(context,config)
})

// ----------------------------------------------------------------------
const barChartData = {
    labels : ["青森","岩手","秋田","宮城","山形","福島"],
    datasets : [
        {
        label: "1年目",
        backgroundColor: "rgba(179,181,198,0.5)",
        data : [25,45,5,20,19,33]
        },
        {
        label: "2年目",
        backgroundColor: "rgba(255,99,132,0.5)",
        data : [10,54,77,32,9,78]
        }
    ]
}

// ----------------------------------------------------------------------