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[KAN-6] Add +3 and -3 increment buttons to counter functionality #2

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[KAN-6] Add +3 and -3 increment buttons to counter functionality #2

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18 changes: 16 additions & 2 deletions js_warmup/counter.html
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Original file line number Diff line number Diff line change
Expand Up @@ -10,19 +10,23 @@ <h1>Counter</h1>
<div>
<button id="decrementBtn">-</button>
<button id="decrementBy2Btn">-2</button>
<button id="decrementBy3Btn">-3</button>
<span id="counterValue">0</span>
<button id="incrementBtn">+</button>
<button id="incrementBy2Btn">+2</button>
<button id="incrementBy3Btn">+3</button>
</div>

<script>
let counter = 0;

const counterValue = document.getElementById('counterValue');
const incrementBtn = document.getElementById('incrementBtn');
// const incrementBy2Btn = document.getElementById('incrementBy2Btn');
const incrementBy2Btn = document.getElementById('incrementBy2Btn');
const incrementBy3Btn = document.getElementById('incrementBy3Btn');
const decrementBtn = document.getElementById('decrementBtn');
// const decrementBy2Btn = document.getElementById('decrementBy2Btn');
const decrementBy2Btn = document.getElementById('decrementBy2Btn');
const decrementBy3Btn = document.getElementById('decrementBy3Btn');

incrementBtn.addEventListener('click', () => {
counter++;
Expand All @@ -34,6 +38,11 @@ <h1>Counter</h1>
counterValue.textContent = counter;
});

incrementBy3Btn.addEventListener('click', () => {
counter += 3;
counterValue.textContent = counter;
});

decrementBtn.addEventListener('click', () => {
counter--;
counterValue.textContent = counter;
Expand All @@ -43,6 +52,11 @@ <h1>Counter</h1>
counter -= 2;
counterValue.textContent = counter;
});

decrementBy3Btn.addEventListener('click', () => {
counter -= 3;
counterValue.textContent = counter;
});
</script>
</body>
</html>