Ayo kita pelajari bersama-sama mengenai komponen penyusun darah dan fungsinya secara ringkas di artikel Biologi kelas 8 ini!
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Kamu tahu nggak kalau 8% dari total berat badan kita adalah darah? Darah ini penting banget lho buat tubuh, kegunaan darah ada banyak. Karena kegunaannya banyak, makanya darah mempunyai komposisi yang lumayan kompleks. Yuk, kita pelajari apa saja fungsi dan komposisi darah dalam tubuh manusia!
Secara mudah, darah berguna untuk mengangkut bahan atau zat makanan, oksigen, sisa-sisa metabolisme, dan hormon di dalam tubuh manusia, selain itu darah juga menjadi penjaga kadar asam-basa cairan tubuh dan pengontrol suhu tubuh.
Baca Juga: Jenis-Jenis Sistem Peredaran Darah pada Manusia
Darah terdiri dari 2 komponen utama, yaitu plasma darah dan sel-sel darah.
Plasma Darah
Plasma darah adalah komponen penyusun darah yang paling banyak, sebesar 55% bagian darah adalah plasma darah. Plasma darah terdiri dari garam mineral, protein-protein darah seperti albumin, fibrinogen, dan antibodi, nutrisi, hormon, gas terlarut, serta zat hasil ekskresi.
Walau terlihat banyak penyusunnya tetapi 90% plasma darah adalah air, lho! Plasma darah ini berfungsi untuk mengedarkan nutrisi, hormon, dan oksigen ke seluruh tubuh.
Nah, sekarang adalah bagian darah yang kedua yaitu sel-sel darah. Sel darah ini dibagi menjadi 3 komponen penyusun, yaitu sel darah merah, sel darah putih, dan keping darah. Ketiga penyusun tersebut mempunyai fungsi dan perannya masing-masing seperti di bawah ini:
Sel Darah Merah
Sel darah merah atau eritrosit berbentuk bikonkaf dan tidak memiliki inti sel. Ukurannya kecil dan fleksibel. Sel darah ini berjumlah sekitar 4-5 juta sel/mm3.
Sel darah merah berfungsi membawa hemoglobin yang telah terikat oksigen dari paru-paru menuju jaringan lain. Selain itu, sel darah merah yang telah mengangkut oksigen, harus mengangkut hemoglobin yang telah terikat karbondioksida kembali ke paru-paru untuk melanjutkan siklus pernapasan manusia.
Ilustrasi sel darah merah jika dilihat dari mikroskop (sumber: wikipedia.org)
Jika kamu kekurangan sel darah merah, maka kamu punya penyakit yang namanya anemia nih. Dampak yang disebabkan oleh penyakit ini lumayan lho, penderita anemia biasanya akan lebih cepat lelah dari orang kebanyakan, hal ini terjadi karena kurangnya suplai oksigen untuk tubuh karena kurangnya sel darah merah sebagai pengangkut.
Baca Juga: Mengenal Sistem Golongan Darah ABO dan Rhesus
Sel Darah Putih
Sel darah putih atau leukosit berbentuk bulat dan tidak beraturan. Bedanya dengan sel darah merah, kalau sel darah putih itu memiliki inti sel.
Ukurannya juga lebih besar dari sel darah merah. Jumlahnya sekitar 5-10 ribu sel/mm3. Sel darah putih dapat dibedakan menjadi dua, yaitu granulosit dan agranulosit.
Sel darah putih berfungsi dalam menjaga kekebalan dan pertahanan tubuh. Leukosit ini bertugas untuk menetralkan bakteri dan kuman yang masuk melalui aliran darah atau dari luka yang terbuka.
Leukosit bisa melakukan hal tersebut karena mempunyai sifat amoeboid yang membuatnya dapat bergerak bebas dan sifat fagositosis atau memangsa bakteri dan sel-sel yang telah mati.
Ilustrasi sel darah putih (sumber: pngtree.com)
Jika kamu terkena sebuah penyakit maka sel darah putih akan diproduksi oleh tubuh secara lebih cepat dan banyak, hal ini dimaksudkan untuk mencegah agar penyakitnya tidak tambah parah.
Tetapi jika tubuh kelebihan leukosit maka kamu ada dalam kondisi yang disebut leukositosis. Sebaliknya jika terkena penyakit, seperti typhus yang membunuh sel darah putih, kamu akan ada dalam kondisi leukopenia atau kekurangan sel darah putih.
Keping Darah
Keping darah atau yang biasa dikenal dengan nama trombosit adalah komponen terakhir dalam sel-sel darah. Keping darah memiliki bentuk bulat, memanjang, maupun oval, wujudnya tidak berwarna, tidak berinti sel, berukuran lebih kecil dari eritrosit dan leukosit, dan mudah pecah. Jumlahnya di dalam tubuh sekitar 200-400 ribu sel/mm3.
Apa sih tugas si trombosit ini? Tugasnya adalah untuk menggumpalkan darah. Hal ini dilakukan dengan tujuan mengurangi darah yang keluar pada saat terjadi luka pada manusia.
Baca Juga: Macam-Macam Penyakit dan Kelainan pada Sistem Peredaran Darah Manusia
Jadi, darah di dalam tubuh kita memiliki banyak sekali fungsi, selain untuk menyalurkan kebutuhan gizi dan mineral yang dibutuhkan tubuh, darah juga berfungsi sebagai pengantar oksigen dari paru-paru dan mengangkut karbon dioksida.
Dengan adanya kedua hal ini, memungkinkan kita bisa beraktifitas. Hal yang paling penting, dengan adanya antibodi atau sistem imun pada darah, kita tidak mudah terserang penyakit yang dapat mengganggu aktivitas kita.
Gimana, terjawab kan mengapa darah sangat penting untuk menopang kehidupan manusia? Nah, biar lebih asyik lagi nih ya, coba kamu liat video penjelasannya di ruangbelajar, di sana ada ribuan video penjelasan mengenai berbagai mata pelajaran yang pastinya menarik dan mudah dimengerti, coba yuk!
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<h1 class="content-title">
Mengenal Komponen Penyusun Darah dan Fungsinya | Biologi Kelas 8 </h1>
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<p class="content-author"><a href="https://www.ruangguru.com/blog/author/seno-aji" class="">Seno Aji</a> </p>
<p class="content-info"><span>November 20, 2024 • </span> <span>4 minutes read</span></p>
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<p style="text-align: justify;"><span style="color: #000000;"><img decoding="async" style="width: 820px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/BIO08%20-%20Komposisi%20dan%20Fungsi%20Darah%20dalam%20Tubuh-01.jpg" alt="Komposisi dan Fungsi Darah dalam Tubuh" /></span></p>
<blockquote>
<p style="text-align: center;"><em>Ayo kita pelajari bersama-sama mengenai komponen penyusun darah dan fungsinya secara ringkas di <strong><a href="https://www.ruangguru.com/blog/c/biologi/biologi-smp-kelas-8">artikel Biologi kelas 8</a></strong> ini!</em></p>
</blockquote>
<p style="text-align: center;">—</p>
<p> </p>
<p style="text-align: justify;">Kamu tahu nggak kalau <strong>8% dari total berat badan kita adalah darah</strong>? Darah ini penting banget lho buat tubuh, kegunaan darah ada banyak. Karena kegunaannya banyak, makanya darah mempunyai komposisi yang lumayan kompleks. Yuk, kita pelajari apa saja fungsi dan komposisi darah dalam tubuh manusia!</p>
<p style="text-align: justify;">Secara mudah, darah berguna untuk mengangkut bahan atau <strong>zat makanan, oksigen, sisa-sisa metabolisme, dan hormon</strong> di dalam tubuh manusia, selain itu darah juga menjadi penjaga kadar asam-basa cairan tubuh dan pengontrol <strong><a href="/blog/suhu" rel="noopener">suhu</a> </strong>tubuh.</p>
<p style="text-align: justify;"><strong>Baca Juga: <a href="/blog/sistem-peredaran-darah" rel="noopener">Jenis-Jenis Sistem Peredaran Darah pada Manusia</a></strong></p>
<p style="text-align: justify;">Darah terdiri dari 2 komponen utama, yaitu <strong>plasma darah dan sel-sel darah</strong>.</p>
<p style="text-align: justify;"><span style="color: #000000;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/BIO08%20-%20Komposisi%20dan%20Fungsi%20Darah%20dalam%20Tubuh-03.jpg" alt="susunan komponen darah manusia" width="600" /></span></p>
<p> </p>
<h2><span style="font-size: 18pt;">Plasma Darah</span></h2>
<p style="text-align: justify;">Plasma darah adalah komponen <strong>penyusun darah yang paling banyak</strong>, sebesar 55% bagian darah adalah plasma darah. Plasma darah terdiri dari garam mineral, protein-protein darah seperti albumin, fibrinogen, dan antibodi, nutrisi, hormon, gas terlarut, serta zat hasil<strong> <a href="/blog/sistem-ekskresi-manusia" rel="noopener">ekskresi</a></strong>.</p>
<p style="text-align: justify;">Walau terlihat banyak penyusunnya tetapi 90% plasma darah adalah air, lho! Plasma darah ini <strong>berfungsi untuk mengedarkan nutrisi, hormon, dan oksigen ke seluruh tubuh</strong>.</p>
<p style="text-align: justify;">Nah, sekarang adalah bagian darah yang kedua yaitu sel-sel darah. Sel darah ini dibagi menjadi 3 komponen penyusun, yaitu <strong>sel darah merah, sel darah putih, dan keping darah</strong>. Ketiga penyusun tersebut mempunyai fungsi dan perannya masing-masing seperti di bawah ini:</p>
<p> </p>
<h2><span style="font-size: 18pt;">Sel Darah Merah</span></h2>
<p style="text-align: justify;">Sel darah merah atau eritrosit berbentuk <strong>bikonkaf dan tidak memiliki inti sel</strong>. <strong>Ukurannya kecil dan fleksibel</strong>. Sel darah ini berjumlah sekitar 4-5 juta sel/mm<sup>3</sup>.</p>
<p style="text-align: justify;">Sel darah merah berfungsi <strong>membawa hemoglobin yang telah terikat oksigen dari paru-paru menuju jaringan lain</strong>. Selain itu, sel darah merah yang telah mengangkut oksigen, harus mengangkut hemoglobin yang telah terikat karbondioksida kembali ke paru-paru untuk melanjutkan siklus pernapasan manusia.</p>
<p style="text-align: center;"><span style="color: #000000;"><img decoding="async" style="width: 600px; display: block; margin-left: auto; margin-right: auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/wikipedia.org%20sel%20darah%20merah.jpg" alt="sel darah merah" width="600" /></span></p>
<p style="text-align: center;"><em>Ilustrasi sel darah merah jika dilihat dari mikroskop (sumber: wikipedia.org)</em></p>
<p> </p>
<p style="text-align: justify;">Jika kamu kekurangan sel darah merah, maka kamu punya penyakit yang namanya anemia nih. Dampak yang disebabkan oleh penyakit ini lumayan lho, penderita anemia biasanya akan lebih cepat lelah dari orang kebanyakan, hal ini terjadi karena kurangnya suplai oksigen untuk tubuh karena kurangnya sel darah merah sebagai pengangkut.</p>
<p><strong>Baca Juga: <a href="https://www.ruangguru.com/blog/yang-harus-kamu-ketahui-tentang-sistem-golongan-darah-manusia">Mengenal Sistem Golongan Darah ABO dan Rhesus</a></strong></p>
<p> </p>
<h2><span style="font-size: 18pt;">Sel Darah Putih</span></h2>
<p style="text-align: justify;">Sel darah putih atau leukosit <strong>berbentuk bulat dan tidak beraturan</strong>. Bedanya dengan sel darah merah, kalau sel darah putih itu memiliki inti sel.</p>
<p style="text-align: justify;"><strong>Ukurannya juga lebih besar dari sel darah merah</strong>. Jumlahnya sekitar 5-10 ribu sel/mm<sup>3</sup>. Sel darah putih dapat dibedakan menjadi dua, yaitu <strong>granulosit dan agranulosit</strong>.</p>
<p style="text-align: justify;"><span style="color: #000000;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/BIO08%20-%20Komposisi%20dan%20Fungsi%20Darah%20dalam%20Tubuh-04.jpg" alt="macam-macam sel darah putih" width="600" /></span></p>
<p> </p>
<p style="text-align: justify;">Sel darah putih berfungsi dalam <strong>menjaga kekebalan dan pertahanan tubuh</strong>. Leukosit ini bertugas untuk menetralkan bakteri dan kuman yang masuk melalui aliran darah atau dari luka yang terbuka.</p>
<p style="text-align: justify;">Leukosit bisa melakukan hal tersebut karena mempunyai sifat amoeboid yang membuatnya dapat bergerak bebas dan sifat fagositosis atau memangsa bakteri dan sel-sel yang telah mati.</p>
<p style="text-align: center;"><span style="color: #000000;"><img decoding="async" style="width: 568px; display: block; margin-left: auto; margin-right: auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/pngtree.com%20sel%20darah%20putih.jpg" alt="sel darah putih" width="400" /></span></p>
<p style="text-align: center;"><em>Ilustrasi sel darah putih (sumber: pngtree.com)</em></p>
<p> </p>
<p style="text-align: justify;">Jika kamu terkena sebuah penyakit maka sel darah putih akan diproduksi oleh tubuh secara lebih cepat dan banyak, hal ini dimaksudkan untuk mencegah agar penyakitnya tidak tambah parah.</p>
<p style="text-align: justify;">Tetapi jika tubuh kelebihan leukosit maka kamu ada dalam kondisi yang disebut leukositosis. Sebaliknya jika terkena penyakit, seperti typhus yang membunuh sel darah putih, kamu akan ada dalam kondisi leukopenia atau kekurangan sel darah putih.</p>
<p> </p>
<h2><span style="font-size: 18pt;">Keping Darah</span></h2>
<p style="text-align: justify;">Keping darah atau yang biasa dikenal dengan nama trombosit adalah komponen terakhir dalam sel-sel darah. Keping darah memiliki <strong>bentuk bulat, memanjang, maupun oval, wujudnya tidak berwarna, tidak berinti sel, berukuran lebih kecil dari eritrosit dan leukosit, dan mudah pecah</strong>. Jumlahnya di dalam tubuh sekitar 200-400 ribu sel/mm<sup>3</sup>.</p>
<p style="text-align: justify;"><span style="color: #000000;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/BIO08%20-%20Komposisi%20dan%20Fungsi%20Darah%20dalam%20Tubuh-05.jpg" alt="macam-macam bentuk keping darah" width="600" /></span></p>
<p> </p>
<p style="text-align: justify;">Apa sih tugas si trombosit ini? Tugasnya adalah untuk <strong>menggumpalkan darah</strong>. Hal ini dilakukan dengan tujuan mengurangi darah yang keluar pada saat terjadi luka pada manusia.</p>
<p><strong>Baca Juga: <a href="https://www.ruangguru.com/blog/biologi-kelas-11-apa-saja-penyakit-dan-kelainan-pada-sistem-peredaran-darah">Macam-Macam Penyakit dan Kelainan pada Sistem Peredaran Darah Manusia</a></strong></p>
<p style="text-align: justify;">Jadi, darah di dalam tubuh kita memiliki banyak sekali fungsi, selain untuk menyalurkan kebutuhan gizi dan mineral yang dibutuhkan tubuh, darah juga berfungsi sebagai pengantar oksigen dari paru-paru dan mengangkut karbon dioksida.</p>
<p style="text-align: justify;">Dengan adanya kedua hal ini, memungkinkan kita bisa beraktifitas. Hal yang paling penting, dengan adanya antibodi atau sistem imun pada darah, kita tidak mudah terserang penyakit yang dapat mengganggu aktivitas kita.</p>
<p style="text-align: justify;">Gimana, terjawab kan mengapa darah sangat penting untuk menopang kehidupan manusia? Nah, biar lebih asyik lagi nih ya, coba kamu liat video penjelasannya di <strong><a href="https://bayar.ruangguru.com/" target="_blank" rel="noopener">ruangbelajar</a></strong>, di sana ada ribuan video penjelasan mengenai berbagai mata pelajaran yang pastinya menarik dan mudah dimengerti, coba yuk!</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>