Kode Mengubah Ukuran Teks 02
Ukuran font bisa diatur dengan tombol A- dan A+.
Kode Html Mengubah Ukuran Teks
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<!doctype html>
<html>
<head>
<title>Pengubah Ukuran Font</title>
<style>
.font-size-buttons {
display: flex;
align-items: center;
font-size: 20px;
margin-bottom: 10px;
}
.font-size-buttons > div:first-child {
margin-right: 10px;
}
.font-size-button {
display: flex;
justify-content: center;
align-items: center;
width: 40px;
height: 40px;
border-radius: 50%;
background-color: #ddd;
color: #333;
font-weight: bold;
margin-right: 10px;
cursor: pointer;
transition: all 0.2s ease-in-out;
}
.font-size-button:hover {
background-color: #333;
color: #fff;
}
.font-size-button.active {
background-color: #333;
color: #fff;
}
.font-size-button.minus {
background-color: #ff6b6b;
color: white;
font-size: 24px;
}
.font-size-button.plus {
background-color: #2ed573;
color: white;
font-size: 24px;
}
.font-size-button.normal {
font-size: 20px;
}
</style>
</head>
<body>
<div class="font-size-buttons">
<div><span style="margin-right: 10px;">Ukuran Font:</span></div>
<div class="font-size-button minus" onclick="changeFontSize('smaller')">A-</div>
<div class="font-size-button normal active" data-size="20" onclick="changeFontSize('normal')">20</div>
<div class="font-size-button plus" onclick="changeFontSize('larger')">A+</div>
</div>
<p style="font-size: 20px;">Ukuran font bisa diatur dengan tombol A- dan A+.</p>
<script>
function changeFontSize(size) {
var elements = document.querySelectorAll("p, h3, h4, h5, h6");
var activeButton = document.querySelector('.font-size-button.active');
var currentFontSize = parseInt(activeButton.dataset.size);
var newFontSize;
if (size === 'larger') {
newFontSize = currentFontSize + 2;
} else if (size === 'smaller') {
newFontSize = currentFontSize - 2;
} else {
newFontSize = 20;
}
if (newFontSize >= 12 && newFontSize <= 30) {
for (var i = 0; i < elements.length; i++) {
elements[i].style.fontSize = newFontSize + 'px';
}
activeButton.textContent = newFontSize;
activeButton.dataset.size = newFontSize;
activeButton.classList.remove('active');
document.querySelector(`.font-size-button[data-size="${newFontSize}"]`).classList.add('active');
}
}
</script>
</body>
</html>
Kode CSS Mengubah Ukuran Tombol
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.font-size-button.minus:hover {
animation: pulse 0.5s ease-in-out infinite;
}
.font-size-button.plus:hover {
animation: pulse 0.5s ease-in-out infinite;
}
@keyframes pulse {
0% {
transform: scale(1);
}
50% {
transform: scale(1.2);
}
100% {
transform: scale(1);
}
}
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