mock_graphite/public/main.js

const ws = new WebSocket(`ws://${window.location.host}`);

ws.onopen = () => {
	console.log("Connected to server");
	ws.send("Hello from client!");
};

ws.onmessage = event => {
	console.log(`Message from server: ${event.data}`);
};

ws.onclose = () => {
	console.log("Disconnected from server");
};

$("#moveArm").on("click", () => {
	const x = $("#armX").val();
	const y = $("#armY").val();
	const z = $("#armZ").val();
	$.ajax({
		type: "POST",
		url: "/api/debug/railArm",
		data: JSON.stringify({ x: +x, y: +y, z: +z }),
		contentType: "application/json",
		success: res => {
			console.log("Success", res);
		},
		error: err => {
			console.error("Error", err);
		},
	});
});