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No:2594

2554

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single-digit addition
Developer User3153｜Date and time 23/6/22 1:45:39
Build time 13.506 sec｜Game capacity 1.098KB｜

Script

一桁足し算ゲーム

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[PR]現在の売れ筋Kindle本ランキング

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<!DOCTYPE html>
<html>
<head>
	<meta charset="UTF-8">
	<title>一桁足し算ゲーム</title>
	<style>
		body {
			text-align: center;
			font-size: 3rem;
		}
	</style>
	<script>
		var num1;
		var num2;
		var answer;
		
		function generateRandomNumbers() {
			num1 = Math.floor(Math.random() * 10);
			num2 = Math.floor(Math.random() * 10);
			document.getElementById("question").innerHTML = num1 + " + " + num2 + " =";
		}
		
		function checkAnswer() {
			answer = parseInt(document.getElementById("answer").value);
			if(answer === num1 + num2) {
				document.getElementById("result").innerHTML = "正解！🎉";
			} else {
				document.getElementById("result").innerHTML = "不正解...😢";
			}
			document.getElementById("answer").value = "";
			generateRandomNumbers();
		}
	</script>
</head>
<body onload="generateRandomNumbers()">
	<h1>一桁足し算ゲーム</h1>
	<p id="question"></p>
	<input type="number" id="answer" autocomplete="off" onkeypress="if(event.keyCode == 13) checkAnswer()">
	<button onclick="checkAnswer()">答える！</button>
	<p id="result"></p>
</body>
</html>