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