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home.html
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home.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Chat Example</title>
<script type="text/javascript">
window.onload = function () {
var conn
var msg = document.getElementById('msg')
var log = document.getElementById('log')
function appendLog(item) {
var doScroll = log.scrollTop > log.scrollHeight - log.clientHeight - 1
log.appendChild(item)
if (doScroll) {
log.scrollTop = log.scrollHeight - log.clientHeight
}
}
document.getElementById('form').onsubmit = function () {
if (!conn) {
return false
}
if (!msg.value) {
return false
}
conn.send(msg.value)
msg.value = ''
return false
}
if (window['WebSocket']) {
conn = new WebSocket('ws://' + document.location.host + '/ws')
conn.onclose = function (evt) {
var item = document.createElement('div')
item.innerHTML = '<b>Connection closed.</b>'
appendLog(item)
}
conn.onmessage = function (evt) {
var messages = evt.data.split('\n')
for (var i = 0; i < messages.length; i++) {
var item = document.createElement('div')
item.innerText = messages[i]
appendLog(item)
}
}
} else {
var item = document.createElement('div')
item.innerHTML = '<b>Your browser does not support WebSockets.</b>'
appendLog(item)
}
}
</script>
<style type="text/css">
html {
overflow: hidden;
}
body {
overflow: hidden;
padding: 0;
margin: 0;
width: 100%;
height: 100%;
background: gray;
}
#log {
background: white;
margin: 0;
padding: 0.5em 0.5em 0.5em 0.5em;
position: absolute;
top: 0.5em;
left: 0.5em;
right: 0.5em;
bottom: 3em;
overflow: auto;
}
#form {
padding: 0 0.5em 0 0.5em;
margin: 0;
position: absolute;
bottom: 1em;
left: 0px;
width: 100%;
overflow: hidden;
}
</style>
</head>
<body>
<div id="log"></div>
<form id="form">
<input type="submit" value="Send" />
<input type="text" id="msg" size="64" autofocus />
</form>
</body>
</html>