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<h1 class="content-title">
Apa Itu Aturan Sinus dan Cosinus? | Matematika Kelas 10 </h1>
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<p class="content-author"><a href="https://www.ruangguru.com/blog/author/karina-dwi-adistiana" class="">Karina Dwi Adistiana</a> </p>
<p class="content-info"><span>February 28, 2018 • </span> <span>3 minutes read</span></p>
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<p><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Header%20blog%20RG/Matematika_10.jpg" alt="Matematika_10.jpg" style="display: block; margin-left: auto; margin-right: auto; width: 820px;" title="Matematika_10.jpg" width="820" caption="false" data-constrained="true"></p>
<p style="text-align: justify;"><span style="color: #000000;">Squad, kamu pasti sudah tidak asing lagi dengan kata sinus dan cosinus, bukan? Dalam trigonometri, ternyata sinus dan cosinus mempunyai aturan tersendiri, khususnya pada segitiga. Apa itu aturannya? Perbandingan panjang sisi dengan sudut pada segitiga serta menghitung luas segitiga dilakukan dengan menggunakan prinsip trigonometri. Untuk penjelasan selengkapnya, simak di bawah ini ya.</span></p>
<p><span id="more-10408"></span></p>
<h3 style="text-align: justify;"><span style="color: #3366ff; font-size: 20px;"><strong>Aturan Sinus</strong></span></h3>
<p style="text-align: justify;"><span><strong>Menjelaskan hubungan antara perbandingan panjang sisi yang berhadapan dengan sudut terhadap sinus sudut pada segitiga.</strong> Berdasarkan aturan sinus dalam segitiga ABC, perbandingan panjang sisi dengan sinus sudut yang berhadapan dengan sisi segitiga mempunyai nilai yang sama.</span> Seperti yang dijelaskan pada gambar di bawah ini.</p>
<p style="text-align: center;"><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/aturan%20sinus-1.png" alt="sinus dan cosinus" style="display: block; margin-left: auto; margin-right: auto; width: 400px;" title="sinus dan cosinus" width="400" caption="false" data-constrained="true">Segitiga sembarang Δ ABC</p>
<p style="text-align: left;">Keterangan:</p>
<p style="text-align: left;">a = panjang sisi a</p>
<p style="text-align: left;">A = besar sudut di hadapan sisi a</p>
<p style="text-align: left;">b = panjang sisi b</p>
<p style="text-align: left;">B = besar sudut di hadapan sisi b</p>
<p style="text-align: left;">c = panjang sisi c</p>
<p style="text-align: left;">C = besar sudut di hadapan sisi c</p>
<p><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/sinus.png" alt="sinus.png" style="width: 436px; margin: 0px 10px 10px 0px; float: left;" width="436"></p>
<p> </p>
<div style="text-align: justify;"> </div>
<div style="text-align: justify;"> </div>
<div style="text-align: justify;"> </div>
<div style="text-align: justify;"> </div>
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<div style="text-align: justify;"> </div>
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<div style="text-align: justify;"> </div>
<div style="text-align: justify;"> </div>
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<div style="text-align: justify;"> </div>
<div style="text-align: justify;"> </div>
<div style="text-align: justify;">Supaya kamu lebih paham, kerjakan <strong>contoh soal</strong> di bawah ini <em>yuk</em> Squad!</div>
<ul style="list-style-type: circle;">
<li style="text-align: justify;">Sebuah segitiga diketahui memiliki sudut A = 30º, sisi a = 3 dan sisi b = 4. Hitung besar sudut B, besar sudut C dan panjang sisi c!</li>
</ul>
<p><strong>Diketahui:</strong></p>
<p>A = 30º</p>
<p>a = 3</p>
<p>b = 4</p>
<p><strong>Ditanya:</strong> B, C dan c?</p>
<p><strong>Jawab:</strong></p>
<ul style="list-style-type: disc;">
<li>Menentukan besar sudut B</li>
</ul>
<p><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/soal%20sinus.png" alt="soal sinus.png" style="width: 433px;"></p>
<p>Karena sinus harus bernilai positif baik di kuadran I maupun kuadran II, maka sudut lain yang memenuhi adalah B = (180º – 41,8º) = 138,2º</p>
<ul style="list-style-type: disc;">
<li>Menentukan besar sudut C</li>
</ul>
<p>Jumlah sudut-sudut dalam segitiga adalah 180º, oleh karena itu berlaku:</p>
<p>A + B + C = 180º → C = 180º – (A + B)</p>
<p>Untuk B = 41,8º → C = 180º – (30º + 41,8º) = 108,2º</p>
<p>Untuk B = 138,2º → C = 180º – (30º + 138,2º) = 11,8º</p>
<ul style="list-style-type: disc;">
<li>Menentukan panjang sisi C</li>
</ul>
<p><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/sinusss.png" alt="sinusss.png" style="width: 305px;"></p>
<p> </p>
<div style="text-align: justify;"><span style="color: #3366ff; font-size: 20px;"><strong style="background-color: transparent;">Aturan Cosinus</strong></span></div>
<p style="text-align: justify;"><strong>Aturan Cosinus merupakan aturan yang menjelaskan hubungan antara kuadrat panjang sisi dengan nilai cosinus dari salah satu sudut pada segitiga. </strong>Aturan cosinus dapat digunakan untuk menentukan unsur-unsur lain dalam suatu segitiga sembarang untuk dua kasus yaitu saat tiga sisi ketahui dan saat dua sisi dan sudut apitnya diketahui. Seperti yang dijelaskan pada gambar di bawah ini.</p>
<p><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/cosinus.png" alt="cosinus.png" style="display: block; margin-left: auto; margin-right: auto;"></p>
<p style="text-align: center;">Segitiga sembarang Δ ABC</p>
<p style="text-align: left;">Keterangan:</p>
<p style="text-align: left;">a = panjang sisi a</p>
<p style="text-align: left;">A = besar sudut di hadapan sisi a</p>
<p style="text-align: left;">b = panjang sisi b</p>
<p style="text-align: left;">B = besar sudut di hadapan sisi b</p>
<p style="text-align: left;">c = panjang sisi c</p>
<p style="text-align: left;">C = besar sudut di hadapan sisi c</p>
<div style="text-align: justify;"><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Beasiswa%20Page%20Assets/cosinuss.png" alt="cosinuss.png" style="width: 370px;"></div>
<div style="text-align: justify;"> </div>
<div style="text-align: justify;">Sehingga aturan cosinus berlaku untuk setiap segitiga ABC sebagai berikut:</div>
<div style="text-align: center;"><strong>a<sup>2</sup> = b<sup>2</sup> + c<sup>2</sup> – 2 bc cos A</strong></div>
<div style="text-align: center;"><strong>b<sup>2</sup> = c<sup>2</sup> + a<sup>2</sup> – 2 ac cos B</strong></div>
<div style="text-align: center;"><strong>c<sup>2</sup> = a<sup>2</sup> + b<sup>2</sup> – 2 ab cos C</strong></div>
<div style="text-align: justify;"> </div>
<div style="text-align: justify;">Berdasarkan rumus aturan cosinus di atas, maka di dapatkan rumus untuk menghitung besar sudutnya :</div>
<div><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/coss.png" alt="coss.png" style="display: block; margin-left: auto; margin-right: auto; width: 210px;"></div>
<div> </div>
<div>Supaya kamu lebih paham, kerjakan <strong>contoh soal</strong> di bawah ini <em>yuk</em> Squad!</div>
<ul style="list-style-type: circle;">
<li>Segitiga ABC diketahui panjang sisi a = 5 cm, panjang sisi c = 6 cm dan besar sudut B = 60º. Tentukan panjang sisi b!</li>
</ul>
<p><strong>Diketahui:</strong></p>
<p>a = 5 cm</p>
<p>c = 6 cm</p>
<p>B = 60º</p>
<p style="text-align: justify;"><strong>Ditanya:</strong> b?</p>
<p style="text-align: justify;"><strong>Jawab:</strong></p>
<p style="text-align: justify;"> b<sup>2</sup> = a<sup>2</sup> + c<sup>2</sup> – 2ac cos B</p>
<p style="text-align: justify;"> b<sup>2</sup> = 5<sup>2</sup> + 6<sup>2</sup> – 2(5)(6) cos 60º</p>
<p style="text-align: justify;"> b<sup>2</sup> = 25 + 36 – 60 (0,5)</p>
<p style="text-align: justify;"> b<sup>2</sup> = 61 – 30</p>
<p style="text-align: justify;"> b<sup>2</sup> = 31</p>
<p style="text-align: justify;"> b = 5,56 cm</p>
<p style="text-align: justify;">Jadi, panjang sisi b adalah 5,56 cm</p>
<ul>
<li style="text-align: justify;"><strong><span style="color: #ff0000;">Baca Juga:</span> <a href="https://blog.ruangguru.com/memahami-fungsi-trigonometri-sederhana" target="_blank" rel="noopener">Memahami Fungsi Trigonometri Sederhana</a></strong></li>
</ul>
<p style="text-align: justify;">Oke Squad, sekarang kamu sudah paham ‘<em>kan</em> apa itu aturan sinus dan cosinus? Kalau kamu masih belum puas dengan penjelasan di atas, kamu bisa pelajari lagi melalui<span style="background-color: transparent;"> </span><strong style="background-color: transparent;"><a href="https://ruangguru.com/belajar?utm_medium=referral&utm_source=blog&utm_campaign=apa-itu-aturan-sinus-dan-kosinus" target="_blank" rel="noopener">ruangbelajar</a></strong><span style="background-color: transparent;">. Kamu bisa menonton video animasi lengkap dengan soal, pembahasan dan rangkumannya Squad, segera gunakan sekarang.<br /></span></p>
<p style="text-align: justify;"><a href="https://link.ruangguru.com/blPk/eaff0eb9" target="_blank" style="text-align: center;" class="rg-cta" rel="noopener"><img fetchpriority="high" decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/cta/1f6a4f8b-0326-42d1-bc9c-111ebb100e56.jpeg" width="650" height="228" alt="ruangbelajar" /></a></p>
<p style="text-align: justify;"><strong>Sumber Referensi:</strong></p>
<p style="text-align: justify;"><span>Sinaga, B. Sinambela, P. N J. M. Sitanggang, A. K. dkk. (2017) Matematika. Jakarta: Kemendikbud</span></p>
<p style="text-align: justify;"> </p>
<p style="text-align: justify;"> </p>
<p style="text-align: justify;"><em>Artikel diperbaharui5 Desember 2020</em></p>
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<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/linkedin.png" loading=" lazy" alt="Logo LinkedIn Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.tiktok.com/@ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/tiktok.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/tiktok.png?height=60" type="image/png">
<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>
<div class="col-lg-9">
<div class="row">
<div class="col-6 col-md-3">
<nav class="footer-menu">
<p class="title">Produk Ruangguru</p>
<ul type="none">
<li><a href="https://roboguru.ruangguru.com" target="_blank">Roboguru</a></li>
<li><a href="https://www.ruangguru.com/roboguruplus">Roboguru Plus</a></li>
<li><a href="https://www.ruangguru.com/dafa-lulu">Dafa dan Lulu</a></li>
<li><a href="https://www.ruangguru.com/for-kids/kursus">Kursus for Kids</a></li>
<li><a href="https://www.ruangguru.com/for-kids">Ruangguru for Kids</a></li>
<li><a href="https://www.ruangguru.com/bisnis">Ruangguru for Business</a></li>
<li><a href="https://www.ruangguru.com/ruanguji">Ruanguji</a></li>
<li><a href="https://www.ruangguru.com/blog">Ruangbaca</a></li>
<li><a href="https://www.ruangguru.com/ruangkelas">Ruangkelas</a></li>
<li><a href="https://www.ruangguru.com/ruangbelajar">Ruangbelajar</a></li>
<li><a href="https://pengajar.ruangguru.com/">Ruangpengajar</a></li>
<li><a href="https://www.ruangguru.com/privat">Ruangguru Privat</a></li>
<li><a href="https://www.ruangpeduli.org/" target="_blank">Ruangpeduli</a></li>
</ul>
</nav>
</div>
<div class="col-6 col-md-3">
<nav class="footer-menu">
<p class="title">Bantuan & Panduan</p>
<ul type="none">
<li><a href="https://www.ruangguru.com/company-credentials">Company Credentials</a></li>
<li><a href="https://www.ruangguru.com/beasiswa">Beasiswa Ruangguru</a></li>
<li><a href="https://www.ruangguru.com/cicilan">Cicilan Ruangguru</a></li>
<li><a href="https://www.ruangguru.com/promo">Promo Ruangguru</a></li>
<li><a href="https://ticketing.ruangguru.com/help?request_type_id=459" target="_blank">Vulnerability Report</a></li>
<li><a href="https://www.ruangguru.com/bantuan#layanan">Layanan Pengaduan</a></li>
<li><a href="https://www.ruangguru.com/terms-conditions">Syarat & Ketentuan</a></li>
<li><a href="https://www.ruangguru.com/privacy-policy">Kebijakan Privasi</a></li>
<li><a href="https://www.ruangguru.com/about-us">Tentang Kami</a></li>
<li><a href="https://www.ruangguru.com/contact-us">Kontak Kami</a></li>
<li><a href="https://www.ruangguru.com/press">Press Kit</a></li>
<li><a href="https://www.ruangguru.com/bantuan">Bantuan</a></li>
<li><a href="https://career.ruangguru.com/">Karier</a></li>
</ul>
</nav>
</div>
<div class="col-6 col-md-3">
<nav class="footer-menu">
<p class="title">Produk Lainnya</p>
<ul type="none">
<li><a href="https://www.brainacademy.id/" target="_blank">Brain Academy</a></li>
<li><a href="https://www.english-academy.id/" target="_blank">English Academy</a></li>
<li><a href="https://skillacademy.com/" target="_blank">Skill Academy</a></li>
<li><a href="https://www.ruangkerja.id/" target="_blank">Ruangkerja</a></li>
<li><a href="https://www.schoters.com/id/" target="_blank">Schoters</a></li>
<li><a href="https://www.kalananti.id/" target="_blank">Kalananti</a></li>
</ul>
</nav>
</div>
<div class="col-6 col-md-3">
<nav class="footer-menu">
<p class="title"> Coba GRATIS Aplikasi Ruangguru</p>
<div class="download-list">
<ul>
<li>
<a target="_blank" rel="nofollow" href="https://apps.apple.com/id/app/ruangguru-solusi-belajar/id1099742206?l=id">
<img src="https://cdn-web-2.ruangguru.com/static/appstore.png" loading="lazy" alt="Button App Store Footer " />
</a>
</li>
<li>
<a target="_blank" rel="nofollow" href="https://play.google.com/store/apps/details?id=com.ruangguru.livestudents&hl=in">
<img src="https://cdn-web-2.ruangguru.com/static/googleplay.png" loading="lazy" alt="Button Google Play Footer " />
</a>
</li>
<li>
<a target="_blank" rel="nofollow" href="https://appgallery.huawei.com/#/app/C102352375">
<img src="https://cdn-web-2.ruangguru.com/static/huawei.png" loading="lazy" alt="Button AppGallery Footer " />
</a>
</li>
</ul>
</div>
</nav>
</div>
</div>
</div>
</div>
<div class="d-lg-none text-center">
<nav class="footer-menu social">
<p class="title">Ikuti Kami</p>
<a target="_blank" href="https://www.instagram.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/instagram.png" loading="lazy" alt="Logo Instagram Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.facebook.com/ruanggurucom/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/facebook.png" loading="lazy" alt="Logo Facebook Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://twitter.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/twitter.png" loading=" lazy" alt="Logo Twitter Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.youtube.com/ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/youtube.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/youtube.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/youtube.png" loading=" lazy" alt="Logo Youtube Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.linkedin.com/company/ruangguru-com">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/linkedin.png" loading=" lazy" alt="Logo LinkedIn Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.tiktok.com/@ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/tiktok.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/tiktok.png?height=60" type="image/png">
<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>