Posted in
3258
1:37 am, April 5, 2023
chart js line chart dont show below 0
had an issue where the chart was displaying values in the negative, and wanted to start the chart at 0 and no go below. the additional option fixed this issue.
Javascript
options: {
scales: {
yAxes: [{
ticks: {
beginAtZero: true
}
}]
}
}
HTML
<canvas id="myChart" style="width:100%;max-width:700px"></canvas>
Scripts
<script
src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.9.4/Chart.js">
</script>
Javascript
const xValues = ["1","2","3"];
const yValues = ["5.51","10.21","1.23"];
new Chart("myChart", {
type: "line",
data: {
labels: xValues,
datasets: [{
label: "Share Price",
backgroundColor:"rgba(255, 210, 0,1.0)",
borderColor: "rgba(0,0,255,0.1)",
data: yValues
}]
},
options: {
scales: {
yAxes: [{
ticks: {
beginAtZero: true
}
}]
}
}
});
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