Skip to content

Instantly share code, notes, and snippets.

@jyydev

jyydev/binance web socket.html

Last active June 28, 2021 21:51
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save jyydev/de4df2b2777bd1c3210dde92bea45649 to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save jyydev/de4df2b2777bd1c3210dde92bea45649 to your computer and use it in GitHub Desktop.
Download ZIP
Raw
binance web socket.html
<html>
<title>(BNB/BTC) Binance - Web Socket Stream</title>
<script language="javascript" type="text/javascript">
var wsUri = "wss://stream.binance.com:9443/ws/bnbbtc@depth5";
var outputDiv;
var output;
function init() {
outputDiv = document.getElementById("output");
initWebSocket();
}
function initWebSocket() {
websocket = new WebSocket(wsUri);
websocket.onopen = function(evt) { onOpen(evt) };
websocket.onclose = function(evt) { onClose(evt) };
websocket.onmessage = function(evt) { onMessage(evt) };
websocket.onerror = function(evt) { onError(evt) };
}
function onOpen(evt) {
writeToScreen("CONNECTED");
//doSend("WebSocket rocks");
}
function onClose(evt) {
writeToScreen("DISCONNECTED");
websocket.close();
}
function onMessage(evt) {
output = "";
var obj = JSON.parse(evt.data);
console.log(obj);
obj["bids"].reverse();
for (let i=0; i<obj["bids"].length; i++) {
output += "Bid: " + obj["bids"][i][0] + " - Quantity: " + obj["bids"][i][1] + "<br />";
}
output += "<br />";
for (let i=0; i<obj["asks"].length; i++) {
output += "Ask: " + obj["asks"][i][0] + " - Quantity: " + obj["asks"][i][1] + "<br />";
}
writeToScreen(output);
}
function onError(evt) {
writeToScreen('<span style="color: red;">ERROR:</span> ' + evt.data);
}
function doSend(message) {
writeToScreen("SENT: " + message);
websocket.send(message);
}
function writeToScreen(message) {
outputDiv.innerHTML = message;
//outputDiv.appendChild(message);
}
window.addEventListener("load", init, false);
</script>
<h2>(BNB/BTC) Binance - Web Socket Stream</h2>
<button onclick="initWebSocket()">Start</button> <button onclick="onClose()">Stop</button>
<br /><br />
<div id="output"></div>
</html>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment