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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Graph</title>
</head>
<body>
<h3 id="symbol">BTCUSDT</h3>
<div class="chart-container" style="position: flex; height:90vh; width:99vw;">
<canvas id="myChart"></canvas>
</div>
</body>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/chart.min.js"></script>
<script>
var getCookies = function(){
var pairs = document.cookie.split(";");
var cookies = [];
if(pairs.length >= 2) {
for (var i=0; i < pairs.length; i++){
var pair = pairs[i].split("=");
cookies[(pair[0]+'').trim()] = JSON.parse(decodeURIComponent(pair.pop().split(';').shift()))
}
}
return cookies;
}
let labels = []
let dataSymb = []
function updateData() {
fetch("api.php", {
"headers": {
},
"referrerPolicy": "strict-origin-when-cross-origin",
"body": null,
"method": "GET",
"mode": "cors",
"credentials": "include"
}).then(() => {
for (const [key, value] of Object.entries(getCookies())) {
let cookie = (key.indexOf("graph") == 0) ? value : null
if(cookie != null) {
console.log('go')
labels.push(new Date(cookie.openTime).toLocaleTimeString("en-US"))
dataSymb.push(cookie.volume)
}
}
lineChart.data.labels = labels
lineChart.data.datasets[0].data = dataSymb
lineChart.update()
})
}
setInterval(function() {
updateData()
}, 5000)
updateData()
const ctx = document.getElementById('myChart')
var binanceData = {
labels: labels,
datasets: [{
label: document.getElementById('symbol').innerText,
data: dataSymb,
}]
};
var chartOptions = {
legend: {
display: true,
position: 'top',
labels: {
boxWidth: 80,
fontColor: 'black'
}
}
}
var lineChart = new Chart(ctx, {
type: 'line',
data: binanceData,
options: chartOptions
})
</script>
</html>