MQL5Book/Web/wschat_client.js
super.admin 1c8e83ce31 convert
2025-05-30 16:09:41 +02:00

47 lines
1.6 KiB
JavaScript

//+------------------------------------------------------------------+
//| wschat_client.js |
//| Copyright 2022, MetaQuotes Ltd. |
//| https://www.mql5.com |
//+------------------------------------------------------------------+
const proto = window.location.protocol.startsWith('http') ?
window.location.protocol.replace('http', 'ws') : 'ws:';
const ws = new WebSocket(proto + '//' + window.location.hostname + ':9000');
ws.onopen = function()
{
console.log('Connected');
};
ws.onmessage = function(message)
{
console.log('Message: %s', message.data);
var parts = message.data.split('#');
document.getElementById('origin').innerText = parts[0];
document.getElementById('echo').value = parts[1];
if(parts[0] == 'server' && parts[1].startsWith('Hello,'))
{
document.getElementById('user').innerText = parts[1].substring(6);
}
};
const button = document.querySelectorAll('button'); // get all button-tags
// submit button
button[0].addEventListener('click', (event) =>
{
const x = document.getElementById('message').value;
if(x) ws.send(x);
});
// close button
button[1].addEventListener('click', (event) =>
{
ws.close();
document.getElementById('user').innerText = 'disconnected';
Array.from(document.getElementsByTagName('button')).forEach((e) =>
{
e.disabled = true;
});
});
//+------------------------------------------------------------------+