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<!DOCTYPE html>
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<html>
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<head>
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<title>Flask-Sock Demo</title>
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</head>
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<body>
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<h1>Flask-Sock Demo</h1>
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<div id="log"></div>
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<br />
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<form id="form">
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<label for="text">Input: </label>
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<input type="text" id="text" autofocus />
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</form>
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<script>
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const log = (text, color) => {
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document.getElementById(
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"log"
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).innerHTML += `<span style="color: ${color}">${text}</span><br>`;
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};
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const socket = new WebSocket(
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location.protocol == "https"
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? "wss://"
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: "ws://" + location.host + location.pathname + "/echo/"
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);
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socket.addEventListener("message", (ev) => {
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log("<<< " + ev.data, "blue");
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});
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document.getElementById("form").onsubmit = (ev) => {
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ev.preventDefault();
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const textField = document.getElementById("text");
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log(">>> " + textField.value, "red");
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socket.send(textField.value);
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textField.value = "";
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};
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</script>
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</body>
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</html>
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