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if (!window.location.origin) { // Some browsers (mainly IE) do not have this property, so we need to build it manually...
window.location.origin = window.location.protocol + '//' + window.location.hostname + (window.location.port ? (':' + window.location.port) : '');
}
var sock = new SockJS(window.location.origin+'/echo')
sock.onopen = function() {
// console.log('connection open');
document.getElementById("status").innerHTML = "connected";
document.getElementById("send").disabled=false;
};
sock.onmessage = function(e) {
document.getElementById("output").value += e.data +"\n";
};
sock.onclose = function() {
// console.log('connection closed');
document.getElementById("status").innerHTML = "disconnected";
document.getElementById("send").disabled=true;
};
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