質問編集履歴
2
情報の修正
test
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test
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@@ -14,11 +14,15 @@
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datasets:[{
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label:"要素1",
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data:[4,5,9,14,,24,30],
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},
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{
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label:"要素2",
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data:[,1.5,1.9,1.4,1.5,2,4,3.0],
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1
情報の修正
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test
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@@ -63,3 +63,89 @@
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63
63
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mode: 'index'を記述し、マウスホバー時に全ての要素を表示するよう設定したのですが、空白値の場合「NaN」が表示されてしまいます。
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64
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これを表示したくないのですが、どのようにしたら良いでしょうか？
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66
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+
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69
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```html
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<script>
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var ctx = document.getElementById("LineChart").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","4月","5月","6月","7月"],
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datasets:[{
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data:[4,5,9,14,,24,30],
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},
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{
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data:[,1.5,1.9,1.4,1.5,2,4,3.0],
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93
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}]
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},
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options:{
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tooltips: {
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mode: 'nearest',
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intersect: false,
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mode: 'index',
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callbacks: {
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label: item => item.value.replace('NaN', '')
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}
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},
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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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128
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}
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}
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});
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135
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</script>
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+
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```
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138
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139
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```html
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140
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141
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<div style="width:100%; overflow-x:auto; overflow-y:visible">
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142
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143
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<div class="linechart_container">
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144
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145
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<canvas id='LineChart'></canvas>
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146
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147
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</div>
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148
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+
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149
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</div>
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150
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+
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151
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```
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