質問編集履歴
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情報追加
test
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test
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@@ -153,3 +153,113 @@
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公式ドキュメントを読みながら試行錯誤したのですが、上手くいきませんでした。
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どなたか知恵を貸して頂けると嬉しいです。
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```html
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<div>
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<canvas id="BarChart">
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</div>
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<button id="button" type="button">切り替え</button>
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<script>
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document.addEventListener('DOMContentLoaded', function() {
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var ctx = document.getElementById("BarChart").getContext("2d");
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var chart = new Chart(ctx, {
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type: "bar",
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data:{
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labels: ["1月","2月","3月"],
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datasets: [
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{
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label: "しめじ",
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data: [20, 26, 12],
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},
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{
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label: "えのき",
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data: [28, 22, 32],
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},
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{
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label: "しいたけ",
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data: [15, 23, 15],
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},
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]
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},
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options:{
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scales: {
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xAxes: [{
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stacked: true,
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}],
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yAxes: [{
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stacked: true,
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}],
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}
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}
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});
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document.getElementById("button")
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.addEventListener('click',
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function() {
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chart.data.labels = ["2000年","2001年","2002年"];
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chart.data.datasets = [{label: "リンゴ",data: [20, 26, 12]},{label: "みかん",data: [28, 22, 32]},{label: "ぶどう",data: [15, 23, 15]},]
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chart.update();
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}
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);
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});
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</script>
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```
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