Artikel Matematika kelas 7 ini membahas serba-serbi dalam bangun segitiga. Baik garis istimewa pada segitiga, sudut pada segitiga, dan bangun segitiga istimewa.
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Menurut kamu, bangun apa yang punya banyak keistimewaan? Kotak? Lingkaran? Atau… segitiga?
Yah, emang, sih, semuanya pasti punya keunggulan dan keunikan sendiri-sendiri. Tapi, coba, deh, bayangin. Simbol-simbol apa yang identik dengan “kehebohan”, kebanyakan pasti segitiga. Piramida di mesir, misalnya. Berbentuk segitiga jika dilihat dari keempat sisinya. Begitu juga ada pada mitos segitiga Bermuda.
Kalau dipikir-pikir, emang gawat si segitiga ini. Pada matematika aja, kamu bisa menemukan 3 hal yang istimewa dari segitiga.
Pada segitiga, kamu akan menemukan 4 garis istimewa. Apa aja tuh? Ada garis tinggi, garis bagi, garis berat, dan garis sumbu.
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Garis Tinggi Suatu Segitiga
Garis Tinggi adalah garis lurus yang menghubungkan satu titik ke sisi di hadapannya secara tegak lurus. Coba kamu liat pada gambar deh. Di sana, garis apa yang disebut dengan garis tinggi? Ya, betul. Garis CJ, AH, dan BI adalah garis tinggi. Pertemuan dari garis tinggi (titik 0) disebut dengan titik tinggi.
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Garis Bagi Suatu Segitiga
Garis Bagi adalah garis yang menghubungkan satu titik ke sisi di hadapannya dan menjadikannya dua sudut sama besar. Di gambar terlihat kalau garis AD membagi sudut BAC jadi 2 bagian sama besar, kan. Yaitu sudut BAD = sudut CAD. Oleh karena itu, garis AD disebut dengan garis bagi.
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Garis Berat Suatu Segitiga
Garis Berat adalah garis yang menghubungkan satu titik ke sisi di hadapannya dan membagi sisi itu menjadi dua bagian sama panjang. Coba, bisa nggak kamu menemukan mana yang disebut dengan garis berat pada gambar di atas? Iya, betul Garis AD, BE, dan CF, kalau kamu perhatikan memotong panjang garis lain menjadi 2 garis sama panjang kan.
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Garis Sumbu Suatu Segitiga
Garis Sumbu adalah garis lurus yang menghubungkan satu titik pada segitiga dengan sisi di hadapannya dan membagi sisi tersebut menjadi 2 bagian sama panjang secara tegak lurus. Gambar di atas menunjukkan kalau garis DE melalui titik tengah AB sekaligus tegak lurus AB. Garis DE ini, disebut juga dengan garis sumbu AB.
Sudut Istimewa pada Segitiga
Selain garis, segitiga juga mempunyai sudut istimewa. Sudut? Apanya yang istimewa dari sebuah sudut?
Baca Juga: Cara Menghitung Keliling dan Luas Segitiga
Coba, deh, potong sebuah kertas menjadi bentuk segitiga. Kemudian, gunting ketiga pinggirnya dan jejerkan. Pasti bagian bawah hasil potongan segitiga kamu dapat menghasilkan garis lurus. Hal ini menandakan kalau jumlah dari 3 sudut segitiga adalah 180o.
Total sudut pada segitiga (Sumber: Mathsong By Numberock via Youtube)
Ingat ya, ilustrasi di atas cuma contoh. Bisa saja segitiga lain bukan bersudut 40o, 40o, dan 100o. Tapi, satu hal yang pasti, total dari jumlah ketiga sudut pada segitiga adalah 180o. Sebaliknya, untuk menentukan sudut luar dari segitiga, kamu tinggal menggunakan rumus 180 dikurangi sudut dalamnya. Contohnya:
Sudut Y = 180 – sudut C
Bangun Istimewa dalam Segitiga
Dalam segitiga, ada bangun-bangun yang mempunyai sifat khusus. Nah, segitiga semacam ini dinamakan dengan segitiga istimewa. Adapun segitiga istimewa adalah segitiga siku-siku, segitiga sama kaki, dan segitiga sama sisi.
Segitiga siku-siku adalah satu-satunya bangun segitiga yang mempunyai sudut 90o di salah satu sudutnya. Dia mempunyai sisi siku dan miring (hipotenusa). Salah satu contoh dari bangun segitiga siku-siku adalah pada bendera segitiga.
Segitiga sama kaki adalah bangun segitiga yang mempunyai dua sisi yang sama panjang. Selain panjangnya, segitiga ini juga akan memiliki dua sudut yang sama besar.
Misalnya, Sudut A dan B pada gambar masing-masing 50o. Itu artinya, sudut C pasti memiliki besaran senilai 80o. Salah satu sifat lainnya adalah, kalau kamu memotong segitiga ini pada garis tengah (CD), maka akan menghasilkan dua segitiga siku-siku yang sama besar.
Segitiga sama sisi adalah bangun segitiga yang memiliki panjang sisi yang sama. Itu artinya, ketiga sudutnya pun punya besaran yang sama.
Hayo, ada yang bisa tebak berapa besar sudutnya? Yak, betul. 180o : 3 = 60o. Jika kamu putar dari sisi manapun, segitiga ini akan tetap punya bentuk yang sama, lho!
Baca Juga: Jenis-Jenis Segitiga Berdasarkan Panjang Sisi dan Sudut
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Nah, ternyata banyak kan hal-hal yang istimewa dari bangun segitiga ini. Mulai dari garis istimewa, sudut istimewa, sampai bangun segitiga yang istimewa. Kalau kamu ingin mencoba latihan-latihan soal mengenai segitiga ini, kamu bisa tonton ruangbelajar. Setelah mendapatkan video beranimasi, kamu akan diberikan berbagai soal untuk membantu kamu memahami materi itu, lho!
Referensi:
Raharjo, M. (2018) Matematika SMP/MTs Kelas VII. Jakarta: Erlangga
Sumber gambar:
Ilustrasi “Total Sudut Segitiga” [Daring]. Tautan: https://www.youtube.com/watch?v=JQUTVgT9RXY (Diakses: 14 Januari 2021)
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<h1 class="content-title">
Serba-Serbi Segitiga: Garis, Sudut & Bangun Istimewa | Matematika Kelas 7 </h1>
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<p class="content-author"><a href="https://www.ruangguru.com/blog/author/kresnoadi" class="">Kresnoadi</a> </p>
<p class="content-info"><span>January 31, 2025 • </span> <span>4 minutes read</span></p>
<br />
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<p><img decoding="async" class="aligncenter size-medium" src="https://cdn-web-2.ruangguru.com/landing-pages/assets/ba29b809-945c-43cf-bd70-24989904a957.png" alt="bangun segitiga" width="820" /></p>
<blockquote>
<p style="text-align: center;"><em><strong><a href="https://www.ruangguru.com/blog/c/matematika/matematika-smp-kelas-7">Artikel Matematika kelas 7</a></strong> ini membahas serba-serbi dalam bangun segitiga. Baik garis istimewa pada segitiga, sudut pada segitiga, dan bangun segitiga istimewa.</em></p>
<p style="text-align: center; font-size: 16px;">—</p>
</blockquote>
<p> </p>
<p style="text-align: justify;">Menurut kamu, bangun apa yang punya banyak keistimewaan? Kotak? Lingkaran? Atau… segitiga?</p>
<p style="text-align: justify;">Yah, emang, sih, semuanya pasti punya keunggulan dan keunikan sendiri-sendiri. Tapi, coba, deh, bayangin. Simbol-simbol apa yang identik dengan “kehebohan”, kebanyakan pasti segitiga. Piramida di mesir, misalnya. Berbentuk segitiga jika dilihat dari keempat sisinya. Begitu juga ada pada mitos segitiga Bermuda.</p>
<p style="text-align: justify;">Kalau dipikir-pikir, emang gawat si segitiga ini. Pada matematika aja, kamu bisa menemukan <strong>3 hal yang istimewa dari segitiga</strong>.</p>
<p> </p>
<h2><span style="font-size: 18pt;">Garis Istimewa pada Segitiga</span></h2>
<p style="text-align: justify;">Pada segitiga, kamu akan menemukan <strong>4 garis istimewa</strong>. Apa aja tuh? Ada <strong>garis tinggi, garis bagi, garis berat, dan garis sumbu</strong>.</p>
<p><img decoding="async" style="width: 600px; display: block; margin: 0px auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/07MAT_-__Serba-Serbi_Segitiga_Garis,_Sudut,_dan_Bangun_Istimewa-02.png" alt="garis istimewa segitiga" width="600" /></p>
<p> </p>
<ul>
<li>
<h3><span style="font-size: 14pt;">Garis Tinggi Suatu Segitiga</span></h3>
</li>
</ul>
<p style="text-align: justify;">Garis Tinggi adalah garis lurus yang menghubungkan satu titik ke sisi di hadapannya <strong>secara tegak lurus.</strong> Coba kamu liat pada gambar deh. Di sana, garis apa yang disebut dengan garis tinggi? Ya, betul. Garis CJ, AH, dan BI adalah garis tinggi. Pertemuan dari garis tinggi (titik 0) disebut dengan titik tinggi.</p>
<p> </p>
<ul>
<li>
<h3><span style="font-size: 14pt;">Garis Bagi Suatu Segitiga</span></h3>
</li>
</ul>
<p style="text-align: justify;">Garis Bagi adalah garis yang menghubungkan satu titik ke sisi di hadapannya dan menjadikannya <strong>dua sudut sama besar.</strong> Di gambar terlihat kalau garis AD membagi sudut BAC jadi 2 bagian sama besar, kan. Yaitu<strong> sudut BAD = sudut CAD</strong>. Oleh karena itu, garis AD disebut dengan garis bagi.</p>
<p> </p>
<ul>
<li>
<h3><span style="font-size: 14pt;">Garis Berat Suatu Segitiga</span></h3>
</li>
</ul>
<p style="text-align: justify;">Garis Berat adalah garis yang menghubungkan satu titik ke sisi di hadapannya dan membagi sisi itu menjadi <strong>dua bagian sama panjang. </strong>Coba, bisa nggak kamu menemukan mana yang disebut dengan garis berat pada gambar di atas? Iya, betul Garis AD, BE, dan CF, kalau kamu perhatikan memotong panjang garis lain menjadi 2 garis sama panjang kan.</p>
<p> </p>
<ul>
<li>
<h3><span style="font-size: 14pt;">Garis Sumbu Suatu Segitiga</span></h3>
</li>
</ul>
<p style="text-align: justify;">Garis Sumbu adalah garis lurus yang menghubungkan satu titik pada segitiga dengan sisi di hadapannya dan membagi sisi tersebut menjadi 2 bagian <strong>sama panjang secara tegak lurus.</strong> Gambar di atas menunjukkan kalau garis DE melalui titik tengah AB sekaligus tegak lurus AB. Garis DE ini, disebut juga dengan garis sumbu AB.</p>
<p> </p>
<h2><span style="font-size: 18pt;">Sudut Istimewa pada Segitiga</span></h2>
<p style="text-align: justify;">Selain garis, segitiga juga mempunyai sudut istimewa. Sudut? Apanya yang istimewa dari sebuah sudut?</p>
<p><strong>Baca Juga: <a href="/blog/cara-menghitung-keliling-dan-luas-segitiga" target="_blank" rel="noopener">Cara Menghitung Keliling dan Luas Segitiga</a></strong></p>
<p style="text-align: justify;">Coba, deh, potong sebuah kertas menjadi bentuk segitiga. Kemudian, gunting ketiga pinggirnya dan jejerkan. Pasti bagian bawah hasil potongan segitiga kamu dapat menghasilkan garis lurus. Hal ini menandakan kalau <strong>jumlah dari 3 sudut segitiga adalah 180<sup>o</sup></strong>.</p>
<p style="text-align: center;"><img decoding="async" style="width: 480px; display: block; margin: 0px auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/total%20sudut%20pada%20segitiga.gif" alt="total sudut pada segitiga" width="480" /></p>
<p style="text-align: center;">Total sudut pada segitiga (Sumber: Mathsong By Numberock via Youtube)</p>
<p> </p>
<p style="text-align: justify;">Ingat ya, ilustrasi di atas cuma contoh. Bisa saja segitiga lain bukan bersudut 40<sup>o</sup>, 40<sup>o</sup>, dan 100<sup>o</sup>. Tapi, satu hal yang pasti, total dari jumlah ketiga sudut pada segitiga adalah 180<sup>o</sup>. Sebaliknya, untuk menentukan sudut luar dari segitiga, kamu tinggal menggunakan rumus 180 dikurangi sudut dalamnya. Contohnya:</p>
<p><img decoding="async" style="width: 400px; display: block; margin-left: auto; margin-right: auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/sudut%20luar%20segitiga.png" alt="sudut luar segitiga" width="400" /></p>
<p style="text-align: center;">Sudut Y = 180 – sudut C</p>
<p> </p>
<h2><span style="font-size: 18pt;">Bangun Istimewa dalam Segitiga</span></h2>
<p style="text-align: justify;">Dalam segitiga, ada bangun-bangun yang mempunyai sifat khusus. Nah, segitiga semacam ini dinamakan dengan segitiga istimewa. Adapun segitiga istimewa adalah <strong>segitiga siku-siku, segitiga sama kaki, dan segitiga sama sisi.</strong></p>
<p> </p>
<ul>
<li>
<h3><span style="font-size: 14pt;">Segitiga Siku-Siku</span></h3>
</li>
</ul>
<p><img decoding="async" style="width: 600px; display: block; margin: 0px auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/07MAT_-__Serba-Serbi_Segitiga_Garis,_Sudut,_dan_Bangun_Istimewa-01.png" alt="segitiga siku-siku" width="600" /></p>
<p> </p>
<p style="text-align: justify;">Segitiga siku-siku adalah satu-satunya bangun segitiga yang mempunyai sudut 90<sup>o</sup> di salah satu sudutnya. Dia mempunyai sisi siku dan miring (hipotenusa). Salah satu contoh dari bangun segitiga siku-siku adalah pada bendera segitiga.</p>
<p> </p>
<ul>
<li>
<h3><span style="font-size: 14pt;">Segitiga Sama Kaki</span></h3>
</li>
</ul>
<p><strong><img decoding="async" style="width: 600px; display: block; margin: 0px auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/07MAT_-__Serba-Serbi_Segitiga_Garis,_Sudut,_dan_Bangun_Istimewa-03.png" alt="segitiga sama kaki" width="600" /></strong></p>
<p> </p>
<p style="text-align: justify;">Segitiga sama kaki adalah bangun segitiga yang mempunyai dua sisi yang sama panjang. Selain panjangnya, segitiga ini juga akan memiliki dua sudut yang sama besar.</p>
<p style="text-align: justify;">Misalnya, Sudut A dan B pada gambar masing-masing 50<sup>o</sup>. Itu artinya, sudut C pasti memiliki besaran senilai 80<sup>o</sup>. Salah satu sifat lainnya adalah, kalau kamu memotong segitiga ini pada garis tengah (CD), maka akan menghasilkan dua segitiga siku-siku yang sama besar.</p>
<p> </p>
<ul>
<li>
<h3><span style="font-size: 14pt;">Segitiga Sama Sisi</span></h3>
</li>
</ul>
<p><span style="color: #0c5394;"><strong><img decoding="async" style="width: 600px; display: block; margin: 0px auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/07MAT_-__Serba-Serbi_Segitiga_Garis,_Sudut,_dan_Bangun_Istimewa-05.png" alt="segitiga sama sisi" width="600" /></strong></span></p>
<p> </p>
<p style="text-align: justify;">Segitiga sama sisi adalah bangun segitiga yang memiliki panjang sisi yang sama. Itu artinya, ketiga sudutnya pun punya besaran yang sama.</p>
<p style="text-align: justify;">Hayo, ada yang bisa tebak berapa besar sudutnya? Yak, betul. 180<sup>o</sup> : 3 = 60<sup>o</sup>. Jika kamu putar dari sisi manapun, segitiga ini akan tetap punya bentuk yang sama, lho!</p>
<p><strong>Baca Juga: <a href="https://www.ruangguru.com/blog/mengenal-berbagai-macam-jenis-segitiga">Jenis-Jenis Segitiga Berdasarkan Panjang Sisi dan Sudut</a></strong></p>
<p style="text-align: center;">—</p>
<p style="text-align: justify;">Nah, ternyata banyak kan hal-hal yang istimewa dari bangun segitiga ini. Mulai dari garis istimewa, sudut istimewa, sampai bangun segitiga yang istimewa. Kalau kamu ingin mencoba latihan-latihan soal mengenai segitiga ini, kamu bisa tonton <a href="https://ruangguru.com/belajar" target="_blank" rel="noopener"><strong>ruangbelajar</strong></a>. Setelah mendapatkan video beranimasi, kamu akan diberikan berbagai soal untuk membantu kamu memahami materi itu, lho!</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 style="text-align: left;"><strong>Referensi:</strong></p>
<p style="text-align: left;">Raharjo, M. (2018) Matematika SMP/MTs Kelas VII. Jakarta: Erlangga</p>
<p style="text-align: left;"><strong>Sumber gambar:</strong></p>
<p style="text-align: left;">Ilustrasi “Total Sudut Segitiga” [Daring]. Tautan: https://www.youtube.com/watch?v=JQUTVgT9RXY (Diakses: 14 Januari 2021)</p>
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// 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">
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<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PVNLZFT" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
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<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>