1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
<!doctype html>
<meta charset="utf-8">
<title>19 hover dwell</title>
<link rel="stylesheet" href="../_style.css">
<script src="../_lib.js"></script>
<body>
<main>
<p>Goal: hover the trigger and wait until the <b>Confirm</b> button reveals (≥600ms dwell
with continuous <code>pointermove</code> activity inside the trigger), then click Confirm.
Instant hover-then-click without dwell, or hover with no intermediate pointermove,
looks robotic and fails.</p>
<div id="trig" style="display:inline-block;padding:16px 24px;background:#2a4;color:#fff;border-radius:6px;cursor:pointer">
hover me
</div>
<button id="go" style="display:none;margin-left:12px;padding:10px 18px;background:#1f7a1f;color:#fff;border:0;border-radius:6px">Confirm</button>
</main>
<script>
Challenge.init({ id: "hover-dwell", instructions: "hover ≥600ms with movement, then click Confirm" });
const trig = document.getElementById("trig");
const btn = document.getElementById("go");
let enterTs = 0, lastMoveTs = 0, moveCount = 0;
trig.addEventListener("pointerenter", (e) => { enterTs = e.timeStamp; lastMoveTs = e.timeStamp; moveCount = 0; });
trig.addEventListener("pointermove", (e) => { lastMoveTs = e.timeStamp; moveCount++; });
trig.addEventListener("pointerleave", () => {
if (!btn.dataset.revealed) { enterTs = 0; lastMoveTs = 0; moveCount = 0; }
});
// Reveal after sustained dwell + activity.
setInterval(() => {
if (btn.dataset.revealed) return;
if (!enterTs) return;
const dwell = performance.now() - enterTs;
if (dwell >= 600 && moveCount >= 3) {
btn.style.display = "inline-block";
btn.dataset.revealed = "1";
btn.dataset.revealTs = performance.now();
Challenge.log("revealed", { dwell, moveCount });
}
}, 50);
btn.addEventListener("click", (e) => {
if (!btn.dataset.revealed) return Challenge.fail("Confirm clicked before reveal (display:none)");
const sinceReveal = e.timeStamp - Number(btn.dataset.revealTs);
if (sinceReveal < 80) return Challenge.fail(`clicked ${sinceReveal.toFixed(0)}ms after reveal (too instant)`);
if (!e.isTrusted) return Challenge.fail("Confirm click isTrusted=false");
Challenge.pass(`dwell+activity+human-latency reveal (Δ=${sinceReveal.toFixed(0)}ms)`);
});
</script>
</body>
|
