Artikel ini membahas tentang manfaat sinar inframerah di kehidupan sehari-hari, sejarah penemuannya, serta karakteristik dan sifat-sifatnya.
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Kamu nyadar nggak? Ada satu benda di dunia ini yang keliatannya sepele, tapi ngebantu kita banget. Benda itu bernama… kembang kol remote. Bayangin deh, gimana hidupmu tanpa remote. Tiap mau nonton tv, harus bangun dan mencet secara manual tv-nya. Kalo nontonnya tiduran dan mager, jempol kaki maju-maju buat ganti.
Ganti suhu AC, hand stand.
Mencetnya tetep pakai jempol kaki.
Tahu gak gimana cara kerja remote itu? Walaupun keliatannya gampang dan sederhana banget, sistem kerja remote itu menggunakan sinar inframerah.
Iya, pakai sinar. Makanya, Kamu harus mengarahkan remote dengan benar. Kalau ada benda yang menghalangi penerima sinyal di TV-nya, apapun yang kamu pencet di remote jadi gak pengaruh. Ya, karena informasi yang dikirimkan sinar tidak sampai ke penerima alias TV.
Sinar inframerah ini pertama kali ditemukan oleh mas-mas kelahiran Jerman yang bernama Friedrich Wiliam Herschel tahun 1800. Iya, udah jadul banget ya? Setelah heboh karena berhasil menemukan planet Uranus di tahun 1781, Sembilan belas tahun kemudian ia mencoba membuat penemuan lain.
Di masa itu, Herschel akrab dengan penemuan Newton yang mengatakan bahwa sinar matahari dapat dipisahkan menjadi komponen kromatis terpisah melalui pembiasan kaca prisma. Itu, lho, kalau kamu pantulin sinar matahari dengan kaca prisma, maka akan muncul cahaya warna-warni kayak pelangi. Kadang pake CD juga bisa. Penemuan ini yang bikin fotografer masa kini ngasih efek-efek pelangi ke muka orang.
Saat itu, Herschel kepikiran ‘Jangan-jangan setiap warna ini punya panas yang berbeda-beda?’ Hasil dari kekepoan ini adalah: dia mengarahkan kaca prisma ke cahaya matahari, lalu mengukur suhu tiap warnanya.
Herschel ingin mengetahui seberapa banyak panas yang melewati filter warna yang berbeda. Saat mengukur suhu dengan spektrum cahaya ungu, biru, hijau, kuning, oranye, dan merah, dia mendapati bahwa semakin mendekati warna merah, suhunya semakin meningkat.
Uniknya, ketika Herschel mencoba mengukur suhu di luar bagian merah, tempat di mana tidak ada sinar matahari, suhu tersebut adalah yang paling tinggi.
Ia pun meneliti tentang sinar panas yang “terpisah” dari berbagai cahaya tampak tadi.
Dan, seperti yang kamu tahu, sekarang kita mengenalnya dengan sinar inframerah.
Sinar inframerah memiliki panjang gelombang antara 760 nm sampai 1000 µm dan frekuensi 30 GHz sampai 40.000 GHz. Well, kita semua sama-sama tahu bahwa benda panas akibat getaran atomik dan molekuler dianggap memancarkan gelombang panas dalam bentuk sinar inframerah. Makanya, sinar inframerah sering disebut dengan radiasi panas.
Baca juga: Perbedaan Rangkaian Seri dan Paralel
Iya, semua yang mengandung panas akan memancarkan radiasi sinar inframerah. Bahkan api sekalipun.
Meskipun ada kata-kata “radiasi”, kamu gak perlu takut. Inframerah itu gak lebih dari sekedar panas kok. Jadi nggak berbahaya. Setiap hari kita terpapar sinar inframerah dari benda-benda “panas” tadi. Bahaya baru bisa muncul kalau panas yang kita terima berasal dari… api cemburu.
Ckckck kedengkian dan iri hati itu lah sumber bahaya yang sesungguhnya!
Sejak penemuannya di abad ke 19 sampai sekarang, sinar inframerah udah banyak banget memberikan manfaat buat kita. Selain remote tv, inframerah juga pernah menjadi media untuk melakukan transfer data.
Iya, zaman sekarang kalau kita mau kirim file, foto, atau video kesannya gampang banget kan? Tinggal kirim lewat whatsapp, email, atau berbagai aplikasi lain. Kalau ada yang ngirim file lewat Bluetooth, rasanya udah katrok banget.
Tapi, berbeda dengan zaman dulu.
Ada masanya di mana handphone punya fitur andalan: infrared. Ada semacam lapisan hitam yang menempel di badan handphone yang fungsinya untuk mengirim wallpaper mobil Ferarri. Iya, zaman itu kirim-kirim wallpaper gitu berasa keren abis. Kalau nggak wallpaper mobil, gambar-gambar emo gothic metal gitu. Mentok-mentok kirim lagu Pee Wee Gaskins. Buat yang cewek, paling tuker-tukeran foto Taylor Swift. Nantinya, kedua handphone harus didekatkan dengan jarak beberapa senti, lalu pairing dan, baru, deh, bisa kekirim file-nya.
Saat ini, inframerah juga masih dipakai di smartphone… tapi dengan fungsi yang berbeda. Buat kamu yang punya iPhone X, sistem Face ID yang digunakan itu memakai kamera dan sensor inframerah. Wajah kamu akan “ditandai” dengan 30.000 titik, lalu dideteksi dengan sinar inframerah. Kenapa harus inframerah? Ya soalnya dia menggunakan sistem panas. Jadi, meskipun kamu unlock di tempat gelap, si kamera bakal tetap bisa melihat wajah kamu dengan jelas.
Iya, sinar inframerah ini yang seringkali digunakan pada kamera night vision, alias bisa melihat di malam hari. Kamera-kamera yang ada di bioskop juga menggunakan kamera inframerah kok. Biar bisa tahu apakah penontonnya ngerekam film bajakan atau nggak. Ya soalnya, kan, kalau pake kamera biasa pasti gelap. Selain hal-hal ini, banyak juga manfaat lain dari sinar inframerah:
Ya kan. Meskipun keliatannya udah gak terlalu ngetren, tapi nyatanya banyak banget manfaat sinar inframerah ini. Kalau kamu ingin mempelajari materi lain seputar pelajaran fisika, cobain aja tonton di ruangbelajar! Di sana, ada ribuan video materi pelajaran, lengkap dengan latihan soal dan infografik lho!
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<h1 class="content-title">
Berbagai Manfaat Sinar Inframerah di Kehidupan Sehari-hari dan Karakteristiknya | Fisika Kelas 12 </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>March 17, 2019 • </span> <span>4 minutes read</span></p>
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<p><img decoding="async" style="width: 820px; display: block; margin: 0px auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/apa%20itu%20sinar%20inframerah.png" alt="apa itu sinar inframerah" width="820" /></p>
<p><em>Artikel ini membahas tentang manfaat sinar inframerah di kehidupan sehari-hari, sejarah penemuannya, serta karakteristik dan sifat-sifatnya.<span id="more-8434"></span></em></p>
<p style="text-align: center;">—</p>
<p style="text-align: justify;">Kamu nyadar <em>nggak?</em> Ada satu benda di dunia ini yang keliatannya sepele, tapi ngebantu kita banget. Benda itu bernama… <span style="text-decoration: line-through;">kembang kol</span> <em>remote</em>. Bayangin <em>deh, </em>gimana hidupmu tanpa <em>remote</em>. Tiap mau nonton <em>tv,</em> harus bangun dan <em>mencet</em> secara <em>manual tv</em>-nya. Kalo nontonnya tiduran dan <em>mager</em>, jempol kaki maju-maju buat ganti.</p>
<p style="text-align: justify;">Ganti suhu <em>AC, hand stand.</em></p>
<p style="text-align: justify;"><em>Mencetnya</em> <em>tetep</em> pakai jempol kaki.</p>
<p style="text-align: justify;">Tahu <em>gak</em> gimana cara kerja <em>remote</em> itu? Walaupun keliatannya gampang dan sederhana banget, sistem kerja <em>remote</em> itu menggunakan sinar inframerah.</p>
<p style="text-align: justify;">Iya, pakai sinar. Makanya, Kamu harus mengarahkan <em>remote</em> dengan benar. Kalau ada benda yang menghalangi penerima sinyal di TV-nya, apapun yang kamu pencet di <em>remote</em> jadi gak pengaruh. Ya, karena informasi yang dikirimkan sinar tidak sampai ke penerima alias TV.</p>
<p style="text-align: justify;">Sinar inframerah ini pertama kali ditemukan oleh mas-mas kelahiran Jerman yang bernama <strong>Friedrich Wiliam Herschel</strong> tahun 1800. Iya,<em> udah jadul</em> banget ya? Setelah heboh karena berhasil menemukan planet Uranus di tahun 1781, Sembilan belas tahun kemudian ia mencoba membuat penemuan lain.</p>
<p style="text-align: justify;">Di masa itu, Herschel akrab dengan <strong><a href="https://blog.ruangguru.com/fisika-kelas-10-gerak-jatuh-bebas-dan-fenomena-apel-jatuh-newton">penemuan</a> <a href="https://blog.ruangguru.com/fisika-kelas-10-gerak-jatuh-bebas-dan-fenomena-apel-jatuh-newton">Newton</a></strong> yang mengatakan bahwa sinar matahari dapat dipisahkan menjadi komponen kromatis terpisah melalui pembiasan kaca prisma. Itu, lho, kalau kamu pantulin sinar matahari dengan kaca prisma, maka akan muncul cahaya warna-warni kayak pelangi. Kadang pake CD juga bisa. Penemuan ini yang bikin fotografer masa kini ngasih efek-efek pelangi ke muka orang.</p>
<p style="text-align: justify;">Saat itu, Herschel kepikiran ‘Jangan-jangan setiap warna ini punya panas yang berbeda-beda?’ Hasil dari kekepoan ini adalah: dia mengarahkan kaca prisma ke cahaya matahari, lalu mengukur suhu tiap warnanya.</p>
<p style="text-align: justify;">Herschel ingin mengetahui seberapa banyak panas yang melewati filter warna yang berbeda. Saat mengukur suhu dengan spektrum cahaya ungu, biru, hijau, kuning, oranye, dan merah, dia mendapati bahwa <strong>semakin mendekati warna merah, suhunya semakin meningkat.</strong></p>
<p style="text-align: justify;">Uniknya, ketika Herschel mencoba mengukur suhu di luar bagian merah, <strong>tempat di mana tidak ada sinar matahari, suhu tersebut adalah yang paling tinggi. </strong></p>
<p style="text-align: justify;">Ia pun meneliti tentang sinar panas yang “terpisah” dari berbagai cahaya tampak tadi.</p>
<p style="text-align: justify;">Dan, seperti yang kamu tahu, sekarang kita mengenalnya dengan sinar inframerah.</p>
<p style="text-align: justify;">Sinar inframerah memiliki panjang gelombang antara 760 nm sampai 1000 µm dan frekuensi 30 GHz sampai 40.000 GHz. <em>Well</em>, kita semua sama-sama tahu bahwa benda panas akibat getaran atomik dan molekuler <strong>dianggap memancarkan gelombang panas</strong> dalam bentuk sinar inframerah. Makanya, sinar inframerah sering disebut dengan radiasi panas.</p>
<p style="text-align: justify;"><strong>Baca juga: <a href="/rangkaian-listrik" target="_blank" rel="noopener">Perbedaan Rangkaian Seri dan Paralel</a></strong></p>
<p style="text-align: justify;">Iya, semua yang mengandung panas akan memancarkan radiasi sinar inframerah. Bahkan api sekalipun.</p>
<p style="text-align: justify;"><img decoding="async" style="width: 600px; display: block; margin: 0px auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/sifat-sifat%20sinar%20inframerah.png" alt="sifat-sifat sinar inframerah" width="600" /></p>
<p style="text-align: justify;">Meskipun ada kata-kata “radiasi”, kamu <em>gak</em> perlu takut. Inframerah itu gak lebih dari sekedar panas kok. Jadi nggak berbahaya. Setiap hari kita terpapar sinar inframerah dari benda-benda “panas” tadi. Bahaya baru bisa muncul kalau panas yang kita terima berasal dari… api cemburu.</p>
<p style="text-align: justify;"><em>Ckckck</em> kedengkian dan iri hati itu lah sumber bahaya yang sesungguhnya!</p>
<p style="text-align: justify;">
<p style="text-align: justify;">Sejak penemuannya di abad ke 19 sampai sekarang, sinar inframerah udah banyak banget memberikan manfaat buat kita. Selain <em>remote</em> tv, inframerah juga pernah menjadi media untuk melakukan transfer data.</p>
<p style="text-align: justify;">Iya, zaman sekarang kalau kita mau kirim <em>file</em>, foto, atau video kesannya gampang banget kan? Tinggal kirim lewat <em>whatsapp</em>, <em>email</em>, atau berbagai aplikasi lain. Kalau ada yang ngirim <em>file</em> lewat Bluetooth, rasanya udah <em>katrok</em> banget.</p>
<p style="text-align: justify;">Tapi, berbeda dengan zaman dulu.</p>
<p style="text-align: justify;">Ada masanya di mana <em>handphone</em> punya fitur andalan: <em>infrared</em>. Ada semacam lapisan hitam yang menempel di badan handphone yang fungsinya untuk mengirim <em>wallpaper</em> mobil <em>Ferarri</em>. Iya, zaman itu kirim-kirim <em>wallpaper</em> gitu berasa keren abis. Kalau <em>nggak wallpaper</em> mobil, gambar-gambar <em>emo gothic metal</em> gitu. Mentok-mentok kirim lagu Pee Wee Gaskins. Buat yang cewek, paling tuker-tukeran foto Taylor Swift. Nantinya, kedua<em> handphone</em> harus didekatkan dengan jarak beberapa senti, lalu <em>pairing </em>dan, baru, deh, bisa kekirim <em>file</em>-nya.</p>
<p><img decoding="async" style="width: 600px; display: block; margin: 0px auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/sinar%20infrared%20mengirim%20file.png" alt="sinar infrared mengirim file" width="600" /></p>
<p style="text-align: justify;">Saat ini, inframerah juga masih dipakai di <em><strong><a href="https://blog.ruangguru.com/penyebab-ketagihan-smartphone">smartphone</a></strong></em>… tapi dengan fungsi yang berbeda. Buat kamu yang punya iPhone X, sistem <em>Face ID</em> yang digunakan itu memakai kamera dan sensor inframerah. Wajah kamu akan “ditandai” dengan 30.000 titik, lalu dideteksi dengan sinar inframerah. Kenapa harus inframerah? Ya soalnya dia menggunakan sistem panas. Jadi, meskipun kamu <em>unlock </em>di tempat gelap, si kamera bakal tetap bisa melihat wajah kamu dengan jelas.</p>
<p style="text-align: justify;">Iya, sinar inframerah ini yang seringkali digunakan pada kamera <em>night vision</em>, alias bisa melihat di malam hari. Kamera-kamera yang ada di bioskop juga menggunakan kamera inframerah kok. Biar bisa tahu apakah penontonnya ngerekam film bajakan atau <em>nggak</em>. Ya soalnya, kan, kalau pake kamera biasa pasti gelap. Selain hal-hal ini, banyak juga manfaat lain dari sinar inframerah:</p>
<p><img decoding="async" style="width: 600px; display: block; margin: 0px auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/manfaat%20sinar%20inframerah%20di%20kehidupan.png" alt="manfaat sinar inframerah di kehidupan" width="600" /></p>
<p style="text-align: justify;">Ya kan. Meskipun keliatannya udah <em>gak</em> terlalu ngetren, tapi nyatanya banyak banget manfaat sinar inframerah ini. Kalau kamu ingin mempelajari materi lain seputar pelajaran fisika, cobain aja tonton di <strong><a href="https://ruangguru.onelink.me/blPk/eaff0eb9">ruangbelajar!</a></strong> Di sana, ada ribuan video materi pelajaran, lengkap dengan latihan soal dan infografik <em>lho</em>!</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>