madoi-tutorial-imageflip/index.html at main · kcg-edu-future-lab/madoi-tutorial-imageflip · GitHub

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<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="utf8">
</head>
<body>
<img id="card" data-no="1" data-state="ura" src="ura.jpg" width="320">
<script src="https://fungo.kcg.edu/madoi-20231023/js/madoi.js"></script>
<script>
window.addEventListener("load", ()=>{
	// Madoiを作成しサーバに接続する。引数はルームのID。アプリケーション毎に異なるIDを使用する。
	const m = new madoi.Madoi("imageflip-zlsdmg34i");

	document.getElementById("card").addEventListener("click", e=>{
		m.send("flip", e.target.attributes["data-no"].value);
	});

	m.setHandler("flip", no=>{
		const card = document.querySelector(`img[data-no='${no}']`);
		const state = card.attributes["data-state"].value;
		if(state == "ura"){
			card.attributes["data-state"].value = "omote";
			card.src = "omote.jpg";
		} else{
			card.attributes["data-state"].value = "ura";
			card.src = "ura.jpg";
		}
	});
});
</script>
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</body>
</html>