Game to test your reflexes's game

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No:50079

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Game to test your reflexes
Developer User21218｜Date and time 24/3/7 15:16:04
Build time 4.994 sec｜Game capacity 1.286KB｜

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[PR]現在の人気ゲームランキング

Click here for free DL of the app version that can save data.

```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Reflex Game</title>
<style>
    body {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
        margin: 0;
    }

#box {
        width: 100px;
        height: 100px;
        background-color: red;
    }
</style>
</head>
<body>

function getRandomTime() {
        return Math.floor(Math.random() * 3000) + 1000;
    }

function displayBox() {
        box.style.display = 'block';
        box.style.backgroundColor = 'red';
        startTime = new Date().getTime();

setTimeout(() => {
            box.style.backgroundColor = 'green';
            endTime = new Date().getTime();
        }, getRandomTime());
    }

box.addEventListener('click', () => {
        if (box.style.backgroundColor === 'green') {
            alert(`Your reaction time was: ${endTime - startTime} milliseconds`);
            box.style.display = 'none';
            setTimeout(displayBox, getRandomTime());
        }
    });

displayBox();
</script>

</body>
</html>
```