<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8">
<title>IKEA Home Sensor Diagram</title>
<script src="/chart.min.js"></script>
<script type="text/javascript">
function onBodyLoad(){
const xhttp = new XMLHttpRequest();
xhttp.responseType = 'json';
xhttp.onload = function() {
var jsonResponse = this.response;
console.log("JSON received");
const ctx = document.getElementById('myChart');
const myChart = new Chart(ctx, {
type: 'line',
data: jsonResponse,
options: {
scales: {
y: {
beginAtZero: false
}
}
}
});
console.log("Diagram generated");
}
xhttp.open("GET", "/diagram", true);
xhttp.send();
}
</script>
</head>
<body id="body" onload="onBodyLoad()">
<canvas id="myChart" width="100%" height="100"></canvas>
</body>
</html>