用Scala实现简单的Web和API服务器(32)

errorDiv.innerText = json.txt

}

})

}

var socket = new WebSocket("ws://" + location.host + "/subscribe");

socket.onopen = function(ev){ socket.send("0") }

socket.onmessage = function(ev){

var json = JSON.parse(ev.data)

messageList.innerHTML = json.txt

socket.send("" + json.index)

}

"""))

),

body(

div(cls := "container")(

h1("Scala Chat!"),

hr,

div(id := "messageList")(

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