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<html>
<head>
<script>
function ws_toggle_connect ()
{
if (window.WS != null && window.WS.readyState != 3)
{
window.WS.close();
document.getElementById ('open_bt').value = 'connect to:';
document.getElementById ('url_input').disabled = 0;
}
else {
var server_url = document.getElementById ('url_input').value;
window.WS = new WebSocket (server_url);
window.WS.onopen = function (event) {
alert ('onopen ');
};
window.WS.onmessage = function(event) {
document.getElementById ('out_text').innerHTML = event.data;
};
window.WS.onclose = function(event) {
alert ('onclose');
};
document.getElementById ('open_bt').value = 'close connection:';
document.getElementById ('url_input').disabled = 1;
}
};
function send_text ()
{
window.WS.send (document.getElementById ('send_text').value);
}
</script>
</head>
<body>
<h2>Websocket demo</h2>
<input type="button" name="open_bt" id="open_bt" onclick="ws_toggle_connect()" value="connect to:">
<input type="text" id="url_input" size="30" value="ws://localhost:1234/server_push">
<p>last message:<span id="out_text">****</span></p>
<p>
<input type="button" name="send_bt" id="send_bt" onclick="send_text()" value="send to server:">
<input type="text" id="send_text" size="30" value="Hello from websocket client!">
</p>
</body>
</html>
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