Chart.js 사용할려고 합니다.
본문
샘플 예제를 통해서 아래와 같이 소스를 만들었는데,,,
아무것도 보이지가 않네요.. 제가 어떤 부분을 실수 했을까요???
조언 구합니다.
https://www.chartjs.org/docs/latest/charts/radar.html
<div>
<canvas id="myChart"></canvas>
</div>
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<script>
const ctx = document.getElementById('myChart');
new Chart(ctx, {
const config = {
type: 'radar',
data: data,
options: {
elements: {
line: {
borderWidth: 3
}
}
},
};
const data = {
labels: [
'Eating',
'Drinking',
'Sleeping',
'Designing',
'Coding',
'Cycling',
'Running'
],
datasets: [{
label: 'My First Dataset',
data: [65, 59, 90, 81, 56, 55, 40],
fill: true,
backgroundColor: 'rgba(255, 99, 132, 0.2)',
borderColor: 'rgb(255, 99, 132)',
pointBackgroundColor: 'rgb(255, 99, 132)',
pointBorderColor: '#fff',
pointHoverBackgroundColor: '#fff',
pointHoverBorderColor: 'rgb(255, 99, 132)'
}, {
label: 'My Second Dataset',
data: [28, 48, 40, 19, 96, 27, 100],
fill: true,
backgroundColor: 'rgba(54, 162, 235, 0.2)',
borderColor: 'rgb(54, 162, 235)',
pointBackgroundColor: 'rgb(54, 162, 235)',
pointBorderColor: '#fff',
pointHoverBackgroundColor: '#fff',
pointHoverBorderColor: 'rgb(54, 162, 235)'
}]
};
});
</script>
답변 2
<script>
const ctx = document.getElementById('myChart');
const data = {
labels: ['Eating', 'Drinking', 'Sleeping', 'Designing', 'Coding', 'Cycling', 'Running'],
datasets: [{
label: 'My First Dataset',
data: [65, 59, 90, 81, 56, 55, 40],
fill: true,
backgroundColor: 'rgba(255, 99, 132, 0.2)',
borderColor: 'rgb(255, 99, 132)',
pointBackgroundColor: 'rgb(255, 99, 132)',
pointBorderColor: '#fff',
pointHoverBackgroundColor: '#fff',
pointHoverBorderColor: 'rgb(255, 99, 132)'
}, {
label: 'My Second Dataset',
data: [28, 48, 40, 19, 96, 27, 100],
fill: true,
backgroundColor: 'rgba(54, 162, 235, 0.2)',
borderColor: 'rgb(54, 162, 235)',
pointBackgroundColor: 'rgb(54, 162, 235)',
pointBorderColor: '#fff',
pointHoverBackgroundColor: '#fff',
pointHoverBorderColor: 'rgb(54, 162, 235)'
}]
};
const config = {
type: 'radar',
data: data,
options: {
elements: {
line: {
borderWidth: 3
}
}
},
};
new Chart(ctx, config);
</script>
변수로 선언하실 거면 전부 바깥으로 빼셔야 해요.
개발자도구 열고 에러 부터 파악해보세요