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For any chart or graph, axes are an integral part. Basically, axes are used to determine how our data maps to a pixel value on the chart. A cartesian chart uses 1 or more X-axis and 1 or more Y-axis to map the data points on to two-dimensional (2-D) canvas. These axes are called cartesian axes.
Cartesian axis uses “options.scales.axis” namespace. The syntax of using cartesian axes is given below −
scales: {
x: {
grid: {
color: ''orange'',
borderColor: ''orange'',
}
}
}
Example
Let’s take an example in which we will use Cartesian axes for creating a chart −
<!DOCTYPE>
<html>
<head>
<meta charset- "UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>chart.js</title>
</head>
<body>
<canvas id="chartId" aria-label="chart" height="300" width="580"></canvas>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/3.1.1/chart.min.js"></script>
</script>
<script>
var chrt = document.getElementById("chartId").getContext("2d");
var chartId = new Chart(chrt, {
type: ''bar'',
data: {
labels: ["HTML", "CSS", "JAVASCRIPT", "CHART.JS", "JQUERY", "BOOTSTRP"],
datasets: [{
label: "online tutorial subjects",
data: [20, 40, 30, 35, 30, 20],
backgroundColor: [''coral'', ''aqua'', ''pink'', ''lightgreen'', ''lightblue'', ''crimson''],
borderColor: [''black''],
borderWidth: 1,
pointRadius: 4,
}],
},
options: {
responsive: false,
indexAxis: ''y'',
scales: {
x: {
grid: {
color: ''orange'',
borderColor: ''orange'',
}
}
}
},
});
</script>
</body>
</html>
Output
Advertisements
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