Setelah mengenal rumus empiris dari senyawa kimia, kali ini kita akan membahas apa yang dimaksud dengan rumus molekul. Yuk, kita belajar di artikel Kimia kelas 10 ini!
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Sudah menjadi rahasia umum bahwa stoikiometri itu ibarat jantungnya kimia. Jadi kalo kamu bisa menguasai materi ini, belajar materi kimia yang lain auto gampang!
Untuk menguasai mata pelajaran kimia, ada hal-hal dasar yang harus kamu pahami. Salah satunya adalah stoikiometri atau dasar perhitungan kimia.
Stoikiometri berasal dari bahasa Yunani, “stoicheion” yang artinya unsur dan “metron” yang artinya mengukur. Di dalam stoikiometri, terdapat beberapa rumus yang mesti kamu kuasai. Di antaranya adalah konsep Mol, rumus empiris, dan rumus molekul.
Sebelumnya, kamu sudah mengetahui cara menentukan rumus empiris senyawa kan? Sekarang, kita akan sama-sama belajar tentang rumus molekul, yuk!
Pengertian Rumus Molekul
Molekul adalah partikel penyusun senyawa. Adapun, rumus molekul adalah rumus yang menyatakan perbandingan sebenarnya dari jumlah atom yang membentuk molekul dan senyawa. Jadi, rumus molekul ini menyatakan susunan yang sebenarnya dari molekul zat.
Nah, rumus molekul ini digolongkan menjadi dua, yaitu rumus molekul unsur dan rumus molekul senyawa.
Rumus Molekul Unsur
Rumus molekul unsur adalah rumus yang menyatakan gabungan atom-atom yang sama jenis unsurnya, lalu membentuk sebuah molekul. Nah, molekul unsur dibagi lagi menjadi dua berdasar dari jumlah atom yang bergabung. Ada molekul diatomik dan molekul poliatomik.
a. Molekul Diatomik
Molekul diatomik adalah molekul yang terbentuk dari dua atom yang sama jenis unsurnya. Untuk mengetahui jumlah atom tersebut, kita menggunakan angka indeks.
Indeks ini merupakan angka yang dituliskan subskrip (di bawah), mengikuti atom yang bersangkutan. Jika indeksnya hanya terdiri dari 1 atom ini disebut dengan unsur monoatomik, maka nggak perlu ditulis. Nah, berikut ini beberapa contoh dari molekul diatomik.
Baca Juga: Klasifikasi Sistem Periodik Unsur Kimia & Cara Membacanya
b. Molekul Poliatomik
Molekul poliatomik terbentuk dari lebih dari dua atom yang sama jenis unsurnya, kemudian bergabung dan membentuk sebuah molekul. Ozon merupakan salah satu molekul poliatomik.
Supaya kamu lebih paham mengenai perbedaan antara unsur monoatomik (satu atom), diatomik (dua atom), triatomik (tiga atom), tetraatomik (empat atom), dan oktaatomik (delapan atom). Yuk, lihat gambar di bawah ini!
Rumus Molekul Senyawa
Rumus molekul senyawa merupakan rumus senyawa yang tersusun dari dua atom atau lebih yang berbeda jenis unsurnya kemudian membentuk molekul. Dalam rumus kimia senyawa, terdapat angka yang menunjukkan jumlah atom suatu unsur di setiap molekulnya, yang disebut indeks.
Misalnya air, rumus molekulnya yaitu H2O. Rumus molekul ini terdiri dari lambang unsur penyusun dan angka indeks. Nah, karena molekul air tersusun dari molekul hidrogen dan oksigen, maka rumus molekulnya menggunakan gabungan lambang unsur H dan O, sedangkan angka indeksnya, yaitu angka 2 pada atom hidrogen, dan angka 1 pada atom oksigen.
Supaya lebih terbayang, yuk lihat gambar di bawah ini!
Gimana? Kebayang, kan? Jadi, angka indeks pada H2O ini menyatakan perbandingan jumlah atom hidrogen dan atom oksigen sebenarnya, dalam satu molekul H2O.
Dari angka indeks ini, kita jadi tahu kalo perbandingan jumlah atom unsur hidrogen dan oksigen ini dua banding satu. Dapat disimpulkan bahwa angka indeks pada suatu molekul menunjukkan perbandingan jumlah atom atau mol dari unsur-unsur penyusun senyawa.
Sekarang, yuk perhatikan contoh molekul senyawa pada tabel di bawah ini!
Mudah, kan? Eits.. masih ada contoh lainnya, lho.
Cara Menghitung Rumus Molekul
Untuk menyatakan rumus molekul suatu zat dilakukan dengan cara menuliskan lambang kimia tiap unsur yang ada dalam molekul dan jumlah atom dituliskan di kanan lambang kimia unsur secara subscript atau di bawah.
Contohnya glukosa yang mempunyai rumus molekul C6H12O6, maka setiap molekul glukosa mengandung enam atom karbon (C), dua belas atom hidrogen (H), dan enam atom oksigen (O).
Contoh Soal Rumus Molekul
Supaya kamu lebih paham, coba kerjakan contoh soal di bawah ini ya!
1. Berapa jumlah seluruh atom dalam tiga molekul hidrogen?
Jawab:
Tiga molekul hidrogen ditulis 3H2. Jadi, jumlah atom 3 molekul hidrogen = 3 × 2 = 6 atom.
2.Berapa jumlah seluruh atom dalam dua senyawa CuSO4.5H2O?
Jawab:
Dua molekul CuSO4.5H2O tersusun atas:
2 × 1 atom Cu = 2 atom Cu
2 × 1 atom S = 2 atom S
2 × 4 atom O = 8 atom O
2 × 10 atom H = 20 atom H
2 × 5 atom O = 10 atom O +
Jumlah atom = 42
Jadi, 2 molekul CuSO4.5H2O tersusun atas 42 atom.
Baca Juga: Bentuk Molekul Berdasarkan Teori Domain Elektron & Teori Hibridisasi
Itu dia penjelasan mengenai pengertian rumus molekul dan cara menghitung rumus molekul. Gimana? Mudah nggak nih?
Nah, kalau kamu merasa ingin tahu lebih lanjut tentang kimia, terutama rumus molekul dan rumus empiris, yuk gabung sama ruangbelajar. Di sana penjelasannya nggak cuma lengkap, tapi ada banyak ratusan latihan soal bikin kamu makin paham!
Referensi:
Sutresna, Nana. (2007) Cerdas Belajar Kimia untuk Kelas X Sekolah Menengah Atas/Madrasah Aliyah. Bandung. Grafindo.
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<h1 class="content-title">
Cara Mencari Rumus Molekul Unsur dan Senyawa | Kimia Kelas 10 </h1>
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<p class="content-author"><a href="https://www.ruangguru.com/blog/author/nurul-hidayah" class="">Nurul Hidayah</a> </p>
<p class="content-info"><span>January 23, 2025 • </span> <span>4 minutes read</span></p>
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<p style="text-align: justify;"><img decoding="async" style="width: 818px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Rumus%20Molekul%20-%20Kimia%20Kelas%2010-01.jpg" alt="Rumus Molekul" width="820" /></p>
<blockquote>
<p style="text-align: center;"><em>Setelah mengenal rumus empiris dari senyawa kimia, kali ini kita akan membahas apa yang dimaksud dengan rumus molekul. Yuk, kita belajar di <strong><a href="https://www.ruangguru.com/blog/c/kimia/kimia-sma-kelas-10">artikel Kimia kelas 10</a></strong> ini!</em></p>
</blockquote>
<p style="text-align: center;">—</p>
<p> </p>
<p style="text-align: justify;">Sudah menjadi rahasia umum bahwa stoikiometri itu ibarat jantungnya kimia. Jadi kalo kamu bisa menguasai materi ini, belajar materi kimia yang lain <em>auto </em>gampang!</p>
<p style="text-align: justify;">Untuk menguasai mata pelajaran kimia, ada hal-hal dasar yang harus kamu pahami. Salah satunya adalah stoikiometri atau dasar perhitungan kimia.</p>
<p style="text-align: justify;">Stoikiometri berasal dari bahasa Yunani, “<em>stoicheion</em>” yang artinya unsur dan <em>“metron” </em>yang artinya mengukur. Di dalam stoikiometri, terdapat beberapa rumus yang mesti kamu kuasai. Di antaranya adalah konsep Mol, rumus empiris, dan rumus molekul.</p>
<p style="text-align: justify;">Sebelumnya, kamu sudah <strong><a href="https://www.ruangguru.com/blog/mengetahui-cara-menentukan-rumus-empiris-senyawa">mengetahui cara menentukan rumus empiris senyawa</a></strong> kan? Sekarang, kita akan sama-sama belajar tentang rumus molekul, yuk!</p>
<p> </p>
<h2><span style="font-size: 18pt;">Pengertian Rumus Molekul</span></h2>
<p style="text-align: justify;">Molekul adalah partikel penyusun senyawa. Adapun, <strong>rumus molekul </strong>adalah <strong>rumus yang menyatakan perbandingan sebenarnya dari jumlah atom yang membentuk molekul dan senyawa. </strong>Jadi, rumus molekul ini menyatakan susunan yang sebenarnya dari molekul zat.</p>
<p style="text-align: justify;">Nah<em>, </em>rumus molekul ini digolongkan menjadi dua, yaitu<strong> rumus molekul unsur</strong> dan <strong>rumus molekul senyawa.</strong></p>
<p> </p>
<h2><span style="font-size: 18pt;">Rumus Molekul Unsur</span></h2>
<p style="text-align: justify;">Rumus molekul unsur adalah rumus yang <strong>menyatakan gabungan atom-atom yang sama jenis unsurnya</strong>, lalu <strong>membentuk sebuah molekul</strong>. Nah, molekul unsur dibagi lagi menjadi dua berdasar dari jumlah atom yang bergabung. Ada molekul diatomik dan molekul poliatomik.</p>
<p> </p>
<h3><span style="font-size: 14pt;">a. Molekul Diatomik</span></h3>
<p style="text-align: justify;">Molekul diatomik adalah <strong>molekul yang terbentuk dari dua atom yang sama jenis unsurnya</strong>. Untuk mengetahui jumlah atom tersebut, kita menggunakan angka indeks.</p>
<p style="text-align: justify;">Indeks ini merupakan angka yang dituliskan subskrip (di bawah), mengikuti atom yang bersangkutan. Jika indeksnya hanya terdiri dari 1 atom ini disebut dengan unsur monoatomik, maka nggak perlu ditulis. Nah, berikut ini beberapa contoh dari molekul diatomik.</p>
<p><strong>Baca Juga: <a href="https://www.ruangguru.com/blog/mengenal-sistem-periodik-unsur-kimia">Klasifikasi Sistem Periodik Unsur Kimia & Cara Membacanya</a></strong></p>
<p style="text-align: justify;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Rumus%20Molekul%20-%20Kimia%20Kelas%2010-03.jpg" alt="Rumus molekul diatomik" width="600" /></p>
<p> </p>
<h3><span style="font-size: 14pt;">b. Molekul Poliatomik</span></h3>
<p style="text-align: justify;">Molekul poliatomik <strong>terbentuk dari lebih dari dua atom yang sama jenis unsurnya</strong>, kemudian bergabung dan membentuk sebuah molekul. Ozon merupakan salah satu molekul poliatomik.</p>
<p><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Rumus%20Molekul%20-%20Kimia%20Kelas%2010-04.jpg" alt="Rumus molekul poliatomik" width="600" /></p>
<p> </p>
<p style="text-align: justify;">Supaya kamu lebih paham mengenai perbedaan antara unsur monoatomik (satu atom), diatomik (dua atom), triatomik (tiga atom), tetraatomik (empat atom), dan oktaatomik (delapan atom). Yuk, lihat gambar di bawah ini!</p>
<p><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Rumus%20Molekul%20-%20Kimia%20Kelas%2010-05.jpg" alt="Perbedaan Unsur Monoatomik, Diatomik, Triatomik, Tetraatomik, dan Oktaatomik" width="600" /></p>
<p> </p>
<h2><span style="font-size: 18pt;">Rumus Molekul Senyawa</span></h2>
<p style="text-align: justify;">Rumus molekul senyawa merupakan <strong>rumus senyawa yang tersusun dari</strong> <strong>dua atom atau lebih yang berbeda jenis unsurnya</strong> kemudian membentuk molekul. Dalam rumus kimia senyawa, terdapat angka yang menunjukkan jumlah atom suatu unsur di setiap molekulnya, yang disebut indeks.</p>
<p style="text-align: justify;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Rumus%20Molekul%20-%20Kimia%20Kelas%2010-06.jpg" alt="Angka indeks rumus molekul" width="600" /></p>
<p> </p>
<p style="text-align: justify;">Misalnya air, rumus molekulnya yaitu H<sub>2</sub>O. Rumus molekul ini terdiri dari lambang unsur penyusun dan angka indeks. Nah, karena molekul air tersusun dari molekul hidrogen dan oksigen, maka rumus molekulnya menggunakan gabungan lambang unsur H dan O, sedangkan angka indeksnya, yaitu angka 2 pada atom hidrogen, dan angka 1 pada atom oksigen.</p>
<p style="text-align: justify;">Supaya lebih terbayang, yuk lihat gambar di bawah ini!</p>
<p style="text-align: justify;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Rumus%20Molekul%20-%20Kimia%20Kelas%2010-07.jpg" alt="rumus molekul H2O" width="600" /></p>
<p> </p>
<p style="text-align: justify;">Gimana? Kebayang, kan? Jadi, angka indeks pada H<sub>2</sub>O ini menyatakan perbandingan jumlah atom hidrogen dan atom oksigen sebenarnya, dalam satu molekul H<sub>2</sub>O.</p>
<p style="text-align: justify;">Dari angka indeks ini, kita jadi tahu kalo perbandingan jumlah atom unsur hidrogen dan oksigen ini dua banding satu. Dapat disimpulkan bahwa angka indeks pada suatu molekul menunjukkan perbandingan jumlah atom atau mol dari unsur-unsur penyusun senyawa.</p>
<p style="text-align: justify;">Sekarang, yuk perhatikan contoh molekul senyawa pada tabel di bawah ini!</p>
<p style="text-align: justify;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Rumus%20Molekul%20-%20Kimia%20Kelas%2010-08.jpg" alt="rumus molekul senyawa" width="600" /></p>
<p> </p>
<p style="text-align: justify;">Mudah, kan? <em>Eits.. </em>masih ada contoh lainnya, <em>lho</em>.</p>
<p style="text-align: justify;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Rumus%20Molekul%20-%20Kimia%20Kelas%2010-09.jpg" alt="rumus molekul senyawa" width="600" /></p>
<p> </p>
<h2><span style="font-size: 18pt;">Cara Menghitung Rumus Molekul</span></h2>
<p style="text-align: justify;">Untuk menyatakan rumus molekul suatu zat dilakukan dengan cara <strong>menuliskan lambang kimia tiap unsur</strong> <strong>yang ada dalam molekul</strong> dan <strong>jumlah atom dituliskan di kanan lambang kimia unsur secara <em>subscript </em></strong>atau di bawah<em>.</em></p>
<p style="text-align: justify;">Contohnya glukosa yang mempunyai rumus molekul C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>, maka setiap molekul glukosa mengandung enam atom karbon (C), dua belas atom hidrogen (H), dan enam atom oksigen (O).</p>
<p> </p>
<h2><span style="font-size: 18pt;">Contoh Soal Rumus Molekul</span></h2>
<p style="text-align: justify;">Supaya kamu lebih paham, coba kerjakan <strong>contoh soal</strong> di bawah ini ya!</p>
<p>1. Berapa jumlah seluruh atom dalam tiga molekul hidrogen?</p>
<p style="text-align: justify;">Jawab:</p>
<p style="text-align: justify;">Tiga molekul hidrogen ditulis 3H<sub>2</sub>. Jadi, jumlah atom 3 molekul hidrogen = 3 × 2 = 6 atom.</p>
<p> </p>
<p>2.Berapa jumlah seluruh atom dalam dua senyawa CuSO<sub>4</sub>.5H<sub>2</sub>O?</p>
<p style="text-align: justify;">Jawab:</p>
<p style="text-align: justify;">Dua molekul CuSO<sub>4</sub>.5H<sub>2</sub>O tersusun atas:</p>
<p style="text-align: justify;">2 × 1 atom Cu = 2 atom Cu</p>
<p style="text-align: justify;">2 × 1 atom S = 2 atom S</p>
<p style="text-align: justify;">2 × 4 atom O = 8 atom O</p>
<p style="text-align: justify;">2 × 10 atom H = 20 atom H</p>
<p style="text-align: justify;"><span style="text-decoration: underline;">2 × 5 atom O = 10 atom O </span><em><sub>+</sub></em></p>
<p style="text-align: justify;">Jumlah atom = 42</p>
<p style="text-align: justify;">Jadi, 2 molekul CuSO<sub>4</sub>.5H<sub>2</sub>O tersusun atas 42 atom.</p>
<p><strong>Baca Juga: <a href="https://www.ruangguru.com/blog/bentuk-molekul-dan-definisinya">Bentuk Molekul Berdasarkan Teori Domain Elektron & Teori Hibridisasi</a></strong></p>
<p> </p>
<p style="text-align: justify;">Itu dia penjelasan mengenai pengertian rumus molekul dan cara menghitung rumus molekul. Gimana? Mudah nggak nih?</p>
<p style="text-align: justify;">Nah<em>,</em> kalau kamu merasa ingin tahu lebih lanjut tentang kimia, terutama rumus molekul dan rumus empiris, yuk gabung sama <strong><a href="https://www.ruangguru.com/ruangbelajar">ruangbelajar</a></strong>. Di sana penjelasannya nggak cuma lengkap, tapi ada banyak ratusan latihan soal bikin kamu makin paham!</p>
<p><a href="https://app.ruangguru.com/ruangbelajar/"><img decoding="async" class="aligncenter size-medium" src="https://cdn-web-2.ruangguru.com/landing-pages/assets/a2dbab8e-e903-4b70-ae04-39ff5807647e.jpg" alt="CTA ruangbelajar" /></a></p>
<p><strong>Referensi:</strong></p>
<p style="text-align: left;">Sutresna, Nana. (2007) <em>Cerdas Belajar Kimia untuk Kelas X Sekolah Menengah Atas/Madrasah Aliyah. </em>Bandung. Grafindo.</p>
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<img src="https://cdn-web-2.ruangguru.com/static/tiktok.png" loading=" lazy" alt="Logo TikTok Footer" width="32px" height="32px" />
</picture>
</a>
</nav>
</div>
<p class="footer-copyright">
© 2026 All Rights Reserved PT. Ruang Raya Indonesia
</p>
</div>
<style>
.bantuan-container {
position: relative;
}
.bantuan-element {
position: fixed;
z-index: 999;
display: flex;
align-items: flex-end;
justify-content: flex-end;
cursor: pointer;
transition: all 0.6s ease;
}
.bantuan-top {
bottom: 11rem;
right: 2rem;
}
.bantuan-bottom {
bottom: 2rem;
right: 2rem;
}
.bantuan-top-2 {
bottom: 15rem;
right: 2rem;
}
.bantuan-top-3 {
bottom: 19rem;
right: 2rem;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 2rem;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 2rem;
}
@media (min-width: 768px) {
.bantuan-element img {
width: auto;
transition: all 0.4s ease;
}
.bantuan-top img {
width: 140px;
}
.bantuan-bottom img {
width: 140px;
}
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 140px;
}
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 140px;
}
.bantuan-element.clicked {
bottom: 9rem;
right: 2.5rem;
}
.bantuan-element.clicked img {
width: auto;
height: 64px;
}
}
@media (max-width: 767px) {
.bantuan-top {
bottom: 8rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom {
bottom: 2rem;
right: 1.25rem;
align-items: center;
}
.bantuan-top-2 {
bottom: 12rem;
right: 1rem;
align-items: center;
}
.bantuan-top-3 {
bottom: 16rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 1.25rem;
align-items: center;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 1.25rem;
align-items: center;
}
.bantuan-element img {
width: auto;
}
.bantuan-top img,
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 96px;
}
.bantuan-bottom img,
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 96px;
}
}
.bantuan-element:hover {
transform: scale(1.05);
}
.bantuan-element img {
max-width: 100%;
height: auto;
}
</style>
<div id="bantuan-divs-container" style="position: relative" data-product="ruangguru" data-table="rg_floating_icon"></div>
<script>
class FloatingDivsComponent {
constructor(product = 'ruangguru', table = 'rg_floating_icon') {
this.container = document.getElementById('bantuan-divs-container');
this.floatingElements = [];
this.product = product;
this.table = table;
// Configuration
this.config = {
baseApiUrl: 'https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/rg_banner/views/',
apiKey: 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
maxElements: 2,
zIndexBase: 100,
};
// Build dynamic API URL based on table parameter
this.config.apiUrl = this.buildApiUrl();
this.init();
}
buildApiUrl() {
const baseUrl = this.config.baseApiUrl;
const tableName = this.table || 'rg_floating_icon';
const queryParams =
'offset=0&limit=99999&sort=rankPosition&where=(type,eq,floating)~and(showIn,anyof,blog)~and(hide,is,false)~and(product,eq,' +
this.product +
')&nested%5Bcta%5D%5Bfields%5D=Id,name,ctaId,imageUrl,ctaLink,targetUrl';
return `${baseUrl}${tableName}?${queryParams}`;
}
async init() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to initialize floating divs component:', error);
}
}
async fetchFloatingElements() {
try {
const options = {
method: 'GET',
headers: {
'xc-token': this.config.apiKey || 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
},
};
const urlNoco = this.config.apiUrl;
const response = await fetch(urlNoco, options);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
this.floatingElements = this.processApiResponse(data);
} catch (error) {
console.error('Error fetching floating elements:', error);
throw error;
}
}
processApiResponse(data) {
if (!data || !data.list || !Array.isArray(data.list)) {
return [];
}
console.log(data.list);
// Ensure we only get maximum 2 elements
const limitedElements = data.list.slice(0, this.config.maxElements);
return limitedElements;
}
renderFloatingElements() {
if (!this.container || this.floatingElements.length === 0) {
return;
}
// Additional safeguard: ensure we never render more than maxElements
const elementsToRender = this.floatingElements.slice(0, this.config.maxElements);
// Clean up existing elements and their event listeners
this.cleanupExistingElements();
// Clear existing content
this.container.innerHTML = '';
elementsToRender.forEach((element, index) => {
const floatingDiv = this.createFloatingDiv(element, index);
this.container.appendChild(floatingDiv);
});
}
cleanupExistingElements() {
// Clear existing elements (no need for event listener cleanup with CSS approach)
const existingElements = this.container.querySelectorAll('[data-floating-element]');
existingElements.forEach(element => {
element.remove();
});
}
createFloatingDiv(element, index) {
const div = document.createElement('div');
const cta = element.cta[0]; // Use the first CTA
// Add data attribute for cleanup tracking
div.setAttribute('data-floating-element', 'true');
// Apply CSS classes based on rankPosition
const positionClass = this.getPositionClass(element.rankPosition, index);
div.className = `bantuan-element ${positionClass}`;
div.style.zIndex = this.config.zIndexBase + index;
// Create the link and image
const link = document.createElement('a');
link.href = 'https://cta.ruangguru.com/' + cta.ctaId || '#';
link.target = '_blank';
// Add tracking attributes
link.setAttribute('data-tracking-event-type', 'landing_page__core__item_click');
link.setAttribute(
'data-tracking-context',
JSON.stringify({
product_name: this.product,
cta_action: 'redirection',
cta_action_detail: link.href,
item_type: 'floating',
item_name: element.name || 'Floating element',
item_category: 'payment',
item_position: index,
item_serial: null,
section_type: 'floating_item',
section_position: 'body',
section_name: 'floating_item',
})
);
const img = document.createElement('img');
img.src = element.imageUrl + '?h=200&convert=webp';
img.alt = element.name || 'Floating element';
img.loading = 'lazy';
// Add click tracking
link.addEventListener('click', () => {
this.trackClick(element, cta);
});
link.appendChild(img);
div.appendChild(link);
return div;
}
getPositionClass(rankPosition, index) {
// Define positioning classes based on rankPosition
if (rankPosition === 1) {
return 'bantuan-top'; // Top position
} else if (rankPosition === 2) {
return 'bantuan-bottom'; // Bottom position
} else {
// For additional elements, distribute them evenly
return `bantuan-${index % 2 === 0 ? 'top' : 'bottom'}-${Math.floor(index / 2) + 1}`;
}
}
trackClick(element, cta) {
// Implement click tracking logic here
console.log('Floating element clicked:', {
elementId: element.Id,
elementName: cta.name,
ctaId: cta.ctaId,
targetUrl: cta.targetUrl,
});
}
// Public method to manually refresh
async refresh() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to refresh floating elements:', error);
throw error;
}
}
// Public method to get current floating elements
getFloatingElements() {
return [...this.floatingElements];
}
}
// Initialize the component when DOM is ready
document.addEventListener('DOMContentLoaded', () => {
// Get product and table parameters from data attributes
const container = document.getElementById('bantuan-divs-container');
const product = container.getAttribute('data-product') || 'ruangguru';
const table = container.getAttribute('data-table') || 'rg_floating_icon';
new FloatingDivsComponent(product, table);
});
// Export for use in other modules if needed
if (typeof module !== 'undefined' && module.exports) {
module.exports = FloatingDivsComponent;
}
</script> <div id="wp-install-nudge" style="
position: fixed;
bottom: 0rem;
right: 0;
z-index: 999;
cursor: pointer;
"></div>
<script>
(function (w, d, s, o, f, js, fjs) {
w['Sales-Nudge-Widget'] = o; w[o] = w[o] || function () { (w[o].q = w[o].q || []).push(arguments) };
js = d.createElement(s), fjs = d.getElementsByTagName(s)[0];
js.id = o; js.src = f; js.async = 1; fjs.parentNode.insertBefore(js, fjs);
}(window, document, 'script', 'wpInstallNudge', 'https://cdn-web-2.ruangguru.com/sales-nudge/6198a95130/dist/widget.js'));
wpInstallNudge('init', { targetElementId: 'wp-install-nudge', clientTarget: 'ruangguru_blog' });
</script>
<script>
// note: disabled due to auto reload page
// var lastScrollTop = 0;
// $(window).scroll(function(event){
// var st = $(this).scrollTop();
// if (st > lastScrollTop){
// $('#wp-install-nudge').slideDown( "slow", function() {});
// } else {
// $('#wp-install-nudge').slideUp( "slow", function() {});
// }
// lastScrollTop = st;
// });
// $(document).ready(function () {
// $("#wp-install-nudge").hide();
// });
$('#wp-install-nudge').click(function(){
Analytics.track("promotion__install_nudge__click",
{
user_email: "ruangguru@blog.com",
cta_link: widgetData.dataConfig.target_link
}).catch((err) => {
console.log("tracker error", err);
});
});
</script>
</footer>
<div id="__next"></div>
<script type="speculationrules">
{"prefetch":[{"source":"document","where":{"and":[{"href_matches":"\/blog\/*"},{"not":{"href_matches":["\/blog\/wp-*.php","\/blog\/wp-admin\/*","\/blog\/wp-content\/uploads\/*","\/blog\/wp-content\/*","\/blog\/wp-content\/plugins\/*","\/blog\/wp-content\/themes\/ruangguru\/*","\/blog\/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]}
</script>
<script>
async function getCtaDetails(ctaIds) {
const endpoint =
" https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/CTA/views/CTA?offset=0&limit=10&where=(ctaId,in," + ctaIds.toString() + ")";
try {
const response = await fetch(endpoint, {
headers: {
"xc-token": "-hG2nBDJzSj0agSgNtcJx97M4F02y54nUMoY6plJ",
},
});
const data = await response.json();
const ctaList = data?.list || [];
const ctaMap = new Map();
for (const ctaData of ctaList) {
ctaMap.set(ctaData.ctaId, ctaData);
}
return ctaMap;
} catch (error) {
console.error("Error fetching CTA details:", error);
return new Map();
}
}
async function replaceCTA() {
const regex = /{{cta\((‘(.*?)’|“(.*?)”)\)}}/g;
const bodyHTML = document.body.innerHTML;
const matches = Array.from(bodyHTML.matchAll(regex));
const ctaIds = matches.map((match) => {
let ctaId = match[2] ?? match[3];
return ctaId;
});
const ctaMap = await getCtaDetails(ctaIds);
const replacedHTML = bodyHTML.replace(regex, (match, _inner, ctaId1, ctaId2) => {
const ctaId = ctaId1 ?? ctaId2;
const ctaData = ctaMap.get(ctaId);
if (ctaData) {
return `<a href="https://cta.ruangguru.com/${ctaData.ctaId}" target="_${ctaData.targetType}" style="position:relative;display:inline-block;">
<img src="${ctaData.imageUrl}" loading="lazy" alt="${ctaData.altText}" />
</a>`;
} else {
return match;
}
});
document.body.innerHTML = replacedHTML;
}
</script>
<meta name="author" content="Ruangguru Tech Team">
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PVNLZFT" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- Tracker -->
<script type="text/javascript" src="https://cdn-web-2.ruangguru.com/landing-page-web/public/staticpages/global-assets/js/cta.js"></script>
<script src="https://unpkg.com/@dotlottie/player-component@latest/dist/dotlottie-player.mjs" type="module"></script>
</body>
</html>