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feat: [S2T01] add second button with sequence tracking #12

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Merged
agnt-platform merged 1 commit into from
May 18, 2026
Merged

feat: [S2T01] add second button with sequence tracking #12

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12 changes: 9 additions & 3 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -9,11 +9,17 @@
<body class="state-green">
<main class="app" aria-live="polite">
<h1>Happy Button</h1>
<button id="happy-button" type="button" class="happy-button button-green">
Click me
</button>
<div class="button-row">
<button id="happy-button" type="button" class="happy-button button-green">
Click me
</button>
<button id="happy-button-2" type="button" class="happy-button button-red">
Click me too
</button>
</div>
<p id="click-status" class="status">Total clicks: 0</p>
<p id="celebration-status" class="status">Clicks until celebration: 5</p>
<p id="sequence-status" class="status">Sequence progress: 0 / 3</p>
<p id="celebration-message" class="celebration" hidden>
Congratulations! You clicked the button 5 times.
</p>
Expand Down
56 changes: 52 additions & 4 deletions script.js
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Original file line number Diff line number Diff line change
@@ -1,10 +1,14 @@
const TOTAL_KEY = "happyButtonTotalClicks";
const CYCLE_KEY = "happyButtonCelebrationClicks";
const CELEBRATION_INTERVAL = 5;
const SEQUENCE_TARGET = 3;
const SEQUENCE_LENGTH = SEQUENCE_TARGET * 2;

const button = document.getElementById("happy-button");
const button2 = document.getElementById("happy-button-2");
const clickStatus = document.getElementById("click-status");
const celebrationStatus = document.getElementById("celebration-status");
const sequenceStatus = document.getElementById("sequence-status");
const celebrationMessage = document.getElementById("celebration-message");

function readStoredCount(key) {
Expand All @@ -14,6 +18,12 @@ function readStoredCount(key) {

let totalClicks = readStoredCount(TOTAL_KEY);
let celebrationClicks = readStoredCount(CYCLE_KEY);
let sequenceStep = 0;
let sequenceCelebrationActive = false;

function alternationsForStep(step) {
return Math.floor(step / 2);
}

function renderState(showCelebration = false) {
const isGreenButton = totalClicks % 2 === 0;
Expand All @@ -27,13 +37,41 @@ function renderState(showCelebration = false) {
celebrationStatus.textContent = `Clicks until celebration: ${
CELEBRATION_INTERVAL - celebrationClicks
}`;
if (showCelebration) {
sequenceStatus.textContent = `Sequence progress: ${alternationsForStep(
sequenceStep,
)} / ${SEQUENCE_TARGET}`;

if (sequenceCelebrationActive) {
celebrationMessage.textContent = `Sequence complete! ${SEQUENCE_TARGET} alternations achieved.`;
celebrationMessage.hidden = false;
} else if (showCelebration) {
celebrationMessage.textContent = `Congratulations! You clicked the button ${totalClicks} times.`;
celebrationMessage.hidden = false;
} else {
celebrationMessage.hidden = true;
}
celebrationMessage.hidden = !showCelebration;
}

button.addEventListener("click", () => {
function advanceSequence(clickedId) {
const expectedId = sequenceStep % 2 === 0 ? button.id : button2.id;
if (clickedId === expectedId) {
sequenceStep += 1;
} else if (clickedId === button.id) {
sequenceStep = 1;
} else {
sequenceStep = 0;
}

if (sequenceStep >= SEQUENCE_LENGTH) {
sequenceCelebrationActive = true;
sequenceStep = 0;
document.body.dispatchEvent(new CustomEvent("sequence:complete"));
} else {
sequenceCelebrationActive = false;
}
}

function handlePrimaryClick() {
totalClicks += 1;
celebrationClicks += 1;

Expand All @@ -42,9 +80,19 @@ button.addEventListener("click", () => {
celebrationClicks = 0;
}

advanceSequence(button.id);

window.localStorage.setItem(TOTAL_KEY, String(totalClicks));
window.localStorage.setItem(CYCLE_KEY, String(celebrationClicks));
renderState(shouldCelebrate);
});
}

function handleSecondaryClick() {
advanceSequence(button2.id);
renderState(false);
}

button.addEventListener("click", handlePrimaryClick);
button2.addEventListener("click", handleSecondaryClick);

renderState(false);