Artikel ini menjawab pertanyaan apakah benar hantu itu ada dan bagaimana keberadaannya dalam perspektif sains.
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Hidup kita memang tidak bisa lepas dari yang namanya hantu. Mulai dari acara sekolah seperti jurit malam, nuansa horor di pesantren, sampai momen Ujian Nasional yang sering dimanfaatkan para hantu untuk masuk ke badan kita.
Tidak hanya masuk ke ranah pendidikan, di Indonesia, hantu juga merambah dunia hiburan. Lihatlah acara tv kita. Ada satu acara di mana orang-orang yang mempunyai pengalaman horor dikumpulkan dan… disuruh curhat. Salah satu adegan paling fenomenal adalah ketika si “pakar gaib” ini berperang melawan… dajjal.
Kalau acara TV itu benar memanggil dajjal, mungkin saat ini kita semua sudah di akhirat.
Tidak berhenti sampai di situ, bahkan ada acara televisi yang menggabungkan beberapa paranormal di satu tempat. Mereka duduk berjejer di meja bundar, saling berdiskusi mengenai tempat-tempat angker yang ditampilkan di layar besar.
‘Engghhh…,’ erang salah satu paranormal. Dia mengendus udara di sekitar, lalu menatap layar yang menampilkan sungai gelap. Dia kemudian melanjutkan, ‘Saya mencium aroma angker dari tempat itu.’
‘Maaf,’ kata sang MC. ‘Kentut saya memang berbahaya…’
Well, dari berbagai banyaknya jenis hantu yang ada di Indonesia, diam-diam, setiap dari kita pasti pernah punya pertanyaan ini: ‘Hantu itu benaran ada nggak sih?’
Kalau kamu adalah salah satu dari sekian banyak orang yang menjawab ‘percaya’, maka kamu cocok sama warga Amerika. Ya, menurut Harris Poll dari Live Science, 45% masyarakat Amerika percaya akan keberadaan hantu. Bahkan, 28%-nya mengaku pernah melihat penampakan hantu.
Masalahnya, keberadaan hantu masih sulit dibuktikan oleh ilmu pengetahuan. Ada banyak hal dan teori yang dapat ‘membantah’ pernyataan: hantu itu ada dan hidup di sekitar kita.
Mencari Hantu dengan Gelombang Elektromagnetik
Berbeda dengan orang Indonesia yang suka menangkap hantu menggunakan botol, orang luar negeri biasanya memburu hantu dengan Electromagnetic Field Meter, atau lebih dikenal dengan sebutan EMF meter.
EMF Meter digunakan sebagai alat pendeteksi hantu (Sumber: Vox via YouTube)
Nggak. Orang luar negeri nggak pakai botol bukan karena takut setannya jadi manis karena botolnya bekas sirup. EMF meter digunakan karena dapat mendeteksi gelombang elektromagnetik di sekitar kita.
Lho, apa hubungannya gelombang elektromagnetik sama hantu? Ya, mereka percaya kalau hantu dapat dideteksi melalui gelombang elektromagnetiknya. Tapi, sampai sekarang, belum pernah ada satupun para ‘pemburu hantu’ ini yang berhasil menemukannya.
Membuktikan Hantu Melalui Hukum Termodinamika I
Kamu pasti pernah deh, baca atau menonton film yang menceritakan kekuatan supranatural bangsa-bangsa kuno. Hal ini menandakan bahwa dunia perhantuan memang sudah ada sejak lama. Bahkan, fisikawan sekelas Albert Einstein pernah memberikan penjelasan melalui hukum termodinamikanya.
Seperti yang kita ketahui bersama, hantu seringkali digambarkan sebagai arwah penasaran. Kurang lebih seperti ini proses munculnya hantu: Ada manusia yang meninggal, lalu… arwahnya menyangkut di dunia manusia dan tidak ikut mati. Akhirnya, karena nggak ada kerjaan, dia menakut-nakuti manusia.
Masalahnya, dari mana arwah ini berasal? Apabila mengacu pada hukum Termodinamika I, apakah energi tubuh kita yang mati akan berpindah dan menjadi hantu?
Oke, pertanyaan barusan memang terkesan saintifik dan keren. Tapi sebenarnya, jawaban dari pertanyaan itu sangat sederhana. Ketika seseorang meninggal dunia, energi dari kita akan menyatu dengan alam. Saat seseorang itu dikuburkan, tubuhnya akan dimakan oleh dekomposer seperti cacing dan belatung. Itu artinya, energi kita akan berpindah ke cacing dan belatung ini. Bukannya berubah bentuk menjadi kuntilanak.
Baca Juga: Mengenal Energi pada Fisika
Lagipula, sekarang coba kita pakai akal sehat deh. Kalau benar ada, bukankah seharusnya ilmuwan sudah bisa ‘menangkap’ energi hantu untuk diamati dengan lingkungan yang terkontrol. Harusnya udah ada film yang menggunakan hantu-hantu ini sebagai senjata pemusnah massal. Misalnya, membuat replika Tuyul menjadi serdadu yang merampok keuangan di Amerika: Avenger vs Tuyul.
Joe Nickell, satu-satunya orang yang bekerja secara full time menjadi investigator paranormal berbasis ilmu pengetahuan, dalam wawancaranya dengan Vox, mengungkapkan kalau sampai saat ini belum ada hantu yang keberadaannya telah dibuktikan ilmu pengetahuan. Menurutnya, salah satu hal yang menyulitkan adalah begitu beragamnya definisi tentang setan ini.
Kalau dipikir-pikir, benar juga Joe Nickell ini. Karena apapun hal yang tidak dapat dicerna oleh manusia seringkali dikategorikan sebagai ‘ulah setan’.
Kursi goyang sendiri?
“Pasti setan tuh!”
TV nyala sendiri?
“Pasti setan tuh!”
Orang yang tiba-tiba ngilang pas kita udah sayang?
“Setan emang tuh!”
Oke, oke. Kita tahu kalau sampai sekarang, sains berpendapat kalau hantu itu tidak ada. Ilmu pengetahuan belum bisa membuktikan keberadaan hantu. Tapi, kalau begitu, bagaimana dengan pengalaman mistis orang-orang? Kita semua pasti pernah dengar itu kan?
Untuk yang satu itu, sains punya jawabannya. Ya, sains belum bisa membuktikan hantu. Tapi, sains juga berpendapat kalau kita bisa saja melihat hantu.
“Melihat” Hantu Melalui Frekuensi Bunyi Rendah
Salah satu yang paling sering disinggung adalah karena frekuensi rendah. Kamu tahu, kan, pembagian bunyi berdasarkan frekuensinya? Percaya atau tidak, suara dengan frekuensi infrasonik dapat membuat kita bisa “melihat” hantu. Sebuah jurnal berjudul The Ghost in the Machine menjelaskan kalau paparan gelombang infrasonik dapat menyebabkan depresi, menimbulkan perasaan “diliatin seseorang”, bahkan halusinasi.
Neil deGrasse Tyson, seorang astrofisikawan, mengungkapkan bahwa suara dengan frekuensi 18Hz dapat menggetarkan struktur dari bola mata manusia. Jadi, kalau kita mendengar suara dengan frekuensi serendah itu, akan mempengaruhi penglihatan kita. Seperti misalnya, kita seakan-akan melihat “sosok makhluk” dari sudut mata kita.
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Jadi, sekarang sudah tahu, kan, apakah hantu itu benar-benar ada? Sampai saat ini hantu belum bisa dianggap “ada” di mata sains. Meski begitu, bukan berarti hal-hal semacam ini tidak ada. Dunia ini memang masih penuh misteri dan banyak yang belum dipecahkan. Kalau menurut kamu gimana? Kalau kamu ingin mencari tahu hukum-hukum yang berkaitan dengan ini, langsung aja cari tahu selengkapnya di ruangbelajar!
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<h1 class="content-title">
Apakah Hantu itu Benar-Benar Ada? Ini Penjelasannya! </h1>
<div class="content-meta">
<p class="content-author"><a href="https://www.ruangguru.com/blog/author/kresnoadi" class="">Kresnoadi</a> </p>
<p class="content-info"><span>September 10, 2025 • </span> <span>5 minutes read</span></p>
<br />
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<p style="text-align: justify;"><em style="background-color: transparent;"><img decoding="async" style="width: 1708px;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Fakta%20Seru%20-%20Apakah%20Hantu%20Benar-Benar%20Ada.jpg" alt="Apakah Hantu Benar-Benar Ada" width="820" /></em></p>
<blockquote>
<p style="text-align: center;"><em style="background-color: transparent;">Artikel ini menjawab pertanyaan apakah benar hantu itu ada dan bagaimana keberadaannya dalam perspektif sains.</em></p>
</blockquote>
<p style="text-align: center;">—</p>
<p> </p>
<p style="text-align: justify;">Hidup kita memang tidak bisa lepas dari yang namanya hantu. Mulai dari acara sekolah seperti jurit malam, nuansa horor di pesantren, sampai momen Ujian Nasional yang sering dimanfaatkan para hantu untuk masuk ke badan kita.</p>
<p style="text-align: justify;">Tidak hanya masuk ke ranah pendidikan, di Indonesia, hantu juga merambah dunia hiburan. Lihatlah acara tv kita. Ada satu acara di mana orang-orang yang mempunyai pengalaman horor dikumpulkan dan… disuruh curhat. Salah satu adegan paling fenomenal adalah ketika si “pakar gaib” ini berperang melawan… dajjal.</p>
<p style="text-align: justify;">Kalau acara TV itu benar memanggil dajjal, mungkin saat ini kita semua sudah di akhirat.</p>
<p><img decoding="async" style="width: 460px; display: block; margin-left: auto; margin-right: auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/roy-kiyoshi-melawan-hantu.gif" alt="roy kiyoshi melawan hantu" width="460" /></p>
<p> </p>
<p style="text-align: justify;"><span style="background-color: transparent;">Tidak berhenti sampai di situ, bahkan ada acara televisi yang menggabungkan beberapa paranormal di satu tempat. Mereka duduk berjejer di meja bundar, saling berdiskusi mengenai tempat-tempat angker yang ditampilkan di layar besar.</span></p>
<p style="text-align: justify;">‘Engghhh…,’ erang salah satu paranormal. Dia mengendus udara di sekitar, lalu menatap layar yang menampilkan sungai gelap. Dia kemudian melanjutkan, ‘Saya mencium aroma angker dari tempat itu.’</p>
<p style="text-align: justify;">‘Maaf,’ kata sang MC. ‘Kentut saya memang berbahaya…’</p>
<p style="text-align: justify;"><em>Well, </em>dari berbagai banyaknya jenis hantu yang ada di Indonesia, diam-diam, setiap dari kita pasti pernah punya pertanyaan ini: <span style="font-weight: bold;"><em>‘Hantu itu benaran ada nggak sih?’</em></span></p>
<p style="text-align: justify;">Kalau kamu adalah salah satu dari sekian banyak orang yang menjawab ‘percaya’, maka kamu cocok sama warga Amerika. Ya, menurut Harris Poll dari Live Science, 45% masyarakat Amerika percaya akan keberadaan hantu. Bahkan, 28%-nya mengaku pernah melihat penampakan hantu.</p>
<p style="text-align: justify;">Masalahnya, keberadaan hantu masih sulit dibuktikan oleh ilmu pengetahuan. Ada banyak hal dan teori yang dapat ‘membantah’ pernyataan: <em>hantu itu ada dan hidup di sekitar kita.</em></p>
<p> </p>
<h2 style="text-align: justify;"><span style="font-size: 18pt;">Mencari Hantu dengan Gelombang Elektromagnetik</span></h2>
<p style="text-align: justify;"><span style="background-color: transparent;">Berbeda dengan orang Indonesia yang suka menangkap hantu menggunakan botol, orang luar negeri biasanya memburu hantu dengan Electromagnetic Field Meter, atau lebih dikenal dengan sebutan EMF meter.</span></p>
<p style="text-align: center;"><span style="background-color: transparent;"><img decoding="async" style="width: 600px; display: block; margin: 0px auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/EMF%20meter.png" alt="EMF meter : gelombang elektromagnetik" width="600" /></span></p>
<p style="text-align: center;"><span style="background-color: transparent;"><em>EMF Meter digunakan sebagai alat pendeteksi hantu (Sumber: Vox via YouTube)</em></span></p>
<p> </p>
<p style="text-align: justify;"><span style="background-color: transparent;">Nggak. Orang luar negeri nggak pakai botol bukan karena takut setannya jadi manis karena botolnya bekas sirup. EMF meter digunakan karena dapat mendeteksi gelombang elektromagnetik di sekitar kita.</span></p>
<p><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Fakta%20Seru%20-%20Apakah%20Hantu%20Benar-Benar%20Ada-01.jpg" alt="Gelombang Elektromagnetik" width="600" /></p>
<p> </p>
<p style="text-align: justify;"><span style="background-color: transparent;">Lho, apa hubungannya gelombang elektromagnetik sama hantu? Ya, mereka percaya kalau hantu dapat dideteksi melalui gelombang elektromagnetiknya. Tapi, sampai sekarang, belum pernah ada satupun para ‘pemburu hantu’ ini yang berhasil menemukannya.</span></p>
<p> </p>
<h2><span style="font-size: 18pt;">Membuktikan Hantu Melalui Hukum Termodinamika I</span></h2>
<p style="text-align: justify;">Kamu pasti pernah <em>deh</em>, baca atau menonton film yang menceritakan kekuatan supranatural bangsa-bangsa kuno. Hal ini menandakan bahwa dunia perhantuan memang sudah ada sejak lama. Bahkan, fisikawan sekelas Albert Einstein pernah memberikan penjelasan melalui <strong><a href="/blog/hukum-dan-prinsip-termodinamika" target="_blank" rel="noopener">hukum termodinamikanya.</a></strong></p>
<p style="text-align: justify;">Seperti yang kita ketahui bersama, hantu seringkali digambarkan sebagai arwah penasaran. Kurang lebih seperti ini proses munculnya hantu: Ada manusia yang meninggal, lalu… arwahnya menyangkut di dunia manusia dan tidak ikut mati. Akhirnya, karena nggak ada kerjaan, dia menakut-nakuti manusia.</p>
<p style="text-align: justify;">Masalahnya, dari mana arwah ini berasal? Apabila mengacu pada hukum Termodinamika I, apakah energi tubuh kita yang mati akan berpindah dan menjadi hantu?</p>
<p><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Fakta%20Seru%20-%20Apakah%20Hantu%20Benar-Benar%20Ada-02.jpg" alt="Hukum Termodinamika I" width="600" /></p>
<p> </p>
<p style="text-align: justify;"><span style="background-color: transparent;">Oke, pertanyaan barusan memang terkesan saintifik dan keren. Tapi sebenarnya, jawaban dari pertanyaan itu sangat sederhana. Ketika seseorang meninggal dunia, energi dari kita akan menyatu dengan alam. Saat seseorang itu dikuburkan, tubuhnya akan dimakan oleh dekomposer seperti cacing dan belatung. Itu artinya, energi kita akan berpindah ke cacing dan belatung ini. Bukannya berubah bentuk menjadi kuntilanak.</span></p>
<p style="text-align: justify;"><strong>Baca Juga: <a href="/blog/mengenal-energi-dalam-fisika" target="_blank" rel="noopener">Mengenal Energi pada Fisika</a></strong></p>
<p style="text-align: justify;">Lagipula, sekarang coba kita pakai akal sehat deh. Kalau benar ada, bukankah seharusnya ilmuwan sudah bisa ‘menangkap’ energi hantu untuk diamati dengan lingkungan yang terkontrol. Harusnya udah ada film yang menggunakan hantu-hantu ini sebagai senjata pemusnah massal. Misalnya, membuat replika Tuyul menjadi serdadu yang merampok keuangan di Amerika: Avenger vs Tuyul.</p>
<p style="text-align: justify;">Joe Nickell, satu-satunya orang yang bekerja secara <em>full time</em> menjadi investigator paranormal berbasis ilmu pengetahuan, dalam wawancaranya dengan Vox, mengungkapkan kalau sampai saat ini belum ada hantu yang keberadaannya telah dibuktikan ilmu pengetahuan. Menurutnya, salah satu hal yang menyulitkan adalah begitu beragamnya definisi tentang setan ini.</p>
<p style="text-align: justify;"><span style="background-color: transparent;">Kalau dipikir-pikir, benar juga Joe Nickell ini. Karena apapun hal yang tidak dapat dicerna oleh manusia seringkali dikategorikan sebagai ‘ulah setan’.</span></p>
<p style="text-align: justify;">Kursi goyang sendiri?</p>
<p style="text-align: justify;">“Pasti setan <em>tuh</em>!”</p>
<p style="text-align: justify;">TV nyala sendiri?</p>
<p style="text-align: justify;">“Pasti setan <em>tuh</em>!”</p>
<p style="text-align: justify;">Orang yang tiba-tiba ngilang pas kita udah sayang?</p>
<p style="text-align: justify;">“Setan emang <em>tuh</em>!”</p>
<p style="text-align: justify;">Oke, oke. Kita tahu kalau sampai sekarang, sains berpendapat kalau hantu itu tidak ada. Ilmu pengetahuan belum bisa membuktikan keberadaan hantu. Tapi, kalau begitu, bagaimana dengan pengalaman mistis orang-orang? Kita semua pasti pernah dengar itu kan?</p>
<p style="text-align: justify;">Untuk yang satu itu, sains punya jawabannya. Ya, sains belum bisa membuktikan hantu. Tapi, sains juga berpendapat kalau <em>kita bisa saja melihat hantu.</em></p>
<p> </p>
<h2><span style="font-size: 18pt;">“Melihat” Hantu Melalui Frekuensi Bunyi Rendah</span></h2>
<p style="text-align: justify;">Salah satu yang paling sering disinggung adalah karena frekuensi rendah. Kamu tahu, kan, <strong><a href="/blog/ipa-kelas-8-jenis-jenis-bunyi-berdasarkan-frekuensinya" target="_blank" rel="noopener">pembagian bunyi berdasarkan frekuensinya?</a></strong> Percaya atau tidak, suara dengan frekuensi infrasonik dapat membuat kita bisa “melihat” hantu. Sebuah jurnal berjudul The Ghost in the Machine menjelaskan kalau paparan gelombang infrasonik dapat menyebabkan depresi, menimbulkan perasaan “<em>diliatin seseorang”, </em>bahkan halusinasi.</p>
<p><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Fakta%20Seru%20-%20Apakah%20Hantu%20Benar-Benar%20Ada-03.jpg" alt=""Melihat" Hantu Melalui Frekuensi Bunyi Rendah" width="600" /></p>
<p> </p>
<p style="text-align: justify;"><span style="background-color: transparent;">Neil deGrasse Tyson, seorang astrofisikawan, mengungkapkan bahwa suara dengan frekuensi 18Hz dapat menggetarkan struktur dari bola mata manusia. Jadi, kalau kita mendengar suara dengan frekuensi serendah itu, akan mempengaruhi penglihatan kita. Seperti misalnya, kita seakan-akan melihat “sosok makhluk” dari sudut mata kita.</span></p>
<p style="text-align: center;"><span style="background-color: transparent;">—</span></p>
<p style="text-align: justify;">Jadi, sekarang sudah tahu, kan, apakah hantu itu benar-benar ada? Sampai saat ini hantu belum bisa dianggap “ada” di mata sains. Meski begitu, bukan berarti hal-hal semacam ini tidak ada. Dunia ini memang masih penuh misteri dan banyak yang belum dipecahkan. Kalau menurut kamu gimana? Kalau kamu ingin mencari tahu hukum-hukum yang berkaitan dengan ini, langsung aja cari tahu selengkapnya di <strong><a href="https://www.ruangguru.com/ruangbelajar" target="_blank" rel="noopener">ruangbelajar!</a></strong></p>
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<img src="https://cdn-web-2.ruangguru.com/static/tiktok.png" loading=" lazy" alt="Logo TikTok Footer" width="32px" height="32px" />
</picture>
</a>
</nav>
</div>
<p class="footer-copyright">
© 2026 All Rights Reserved PT. Ruang Raya Indonesia
</p>
</div>
<style>
.bantuan-container {
position: relative;
}
.bantuan-element {
position: fixed;
z-index: 999;
display: flex;
align-items: flex-end;
justify-content: flex-end;
cursor: pointer;
transition: all 0.6s ease;
}
.bantuan-top {
bottom: 11rem;
right: 2rem;
}
.bantuan-bottom {
bottom: 2rem;
right: 2rem;
}
.bantuan-top-2 {
bottom: 15rem;
right: 2rem;
}
.bantuan-top-3 {
bottom: 19rem;
right: 2rem;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 2rem;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 2rem;
}
@media (min-width: 768px) {
.bantuan-element img {
width: auto;
transition: all 0.4s ease;
}
.bantuan-top img {
width: 140px;
}
.bantuan-bottom img {
width: 140px;
}
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 140px;
}
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 140px;
}
.bantuan-element.clicked {
bottom: 9rem;
right: 2.5rem;
}
.bantuan-element.clicked img {
width: auto;
height: 64px;
}
}
@media (max-width: 767px) {
.bantuan-top {
bottom: 8rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom {
bottom: 2rem;
right: 1.25rem;
align-items: center;
}
.bantuan-top-2 {
bottom: 12rem;
right: 1rem;
align-items: center;
}
.bantuan-top-3 {
bottom: 16rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 1.25rem;
align-items: center;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 1.25rem;
align-items: center;
}
.bantuan-element img {
width: auto;
}
.bantuan-top img,
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 96px;
}
.bantuan-bottom img,
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 96px;
}
}
.bantuan-element:hover {
transform: scale(1.05);
}
.bantuan-element img {
max-width: 100%;
height: auto;
}
</style>
<div id="bantuan-divs-container" style="position: relative" data-product="ruangguru" data-table="rg_floating_icon"></div>
<script>
class FloatingDivsComponent {
constructor(product = 'ruangguru', table = 'rg_floating_icon') {
this.container = document.getElementById('bantuan-divs-container');
this.floatingElements = [];
this.product = product;
this.table = table;
// Configuration
this.config = {
baseApiUrl: 'https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/rg_banner/views/',
apiKey: 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
maxElements: 2,
zIndexBase: 100,
};
// Build dynamic API URL based on table parameter
this.config.apiUrl = this.buildApiUrl();
this.init();
}
buildApiUrl() {
const baseUrl = this.config.baseApiUrl;
const tableName = this.table || 'rg_floating_icon';
const queryParams =
'offset=0&limit=99999&sort=rankPosition&where=(type,eq,floating)~and(showIn,anyof,blog)~and(hide,is,false)~and(product,eq,' +
this.product +
')&nested%5Bcta%5D%5Bfields%5D=Id,name,ctaId,imageUrl,ctaLink,targetUrl';
return `${baseUrl}${tableName}?${queryParams}`;
}
async init() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to initialize floating divs component:', error);
}
}
async fetchFloatingElements() {
try {
const options = {
method: 'GET',
headers: {
'xc-token': this.config.apiKey || 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
},
};
const urlNoco = this.config.apiUrl;
const response = await fetch(urlNoco, options);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
this.floatingElements = this.processApiResponse(data);
} catch (error) {
console.error('Error fetching floating elements:', error);
throw error;
}
}
processApiResponse(data) {
if (!data || !data.list || !Array.isArray(data.list)) {
return [];
}
console.log(data.list);
// Ensure we only get maximum 2 elements
const limitedElements = data.list.slice(0, this.config.maxElements);
return limitedElements;
}
renderFloatingElements() {
if (!this.container || this.floatingElements.length === 0) {
return;
}
// Additional safeguard: ensure we never render more than maxElements
const elementsToRender = this.floatingElements.slice(0, this.config.maxElements);
// Clean up existing elements and their event listeners
this.cleanupExistingElements();
// Clear existing content
this.container.innerHTML = '';
elementsToRender.forEach((element, index) => {
const floatingDiv = this.createFloatingDiv(element, index);
this.container.appendChild(floatingDiv);
});
}
cleanupExistingElements() {
// Clear existing elements (no need for event listener cleanup with CSS approach)
const existingElements = this.container.querySelectorAll('[data-floating-element]');
existingElements.forEach(element => {
element.remove();
});
}
createFloatingDiv(element, index) {
const div = document.createElement('div');
const cta = element.cta[0]; // Use the first CTA
// Add data attribute for cleanup tracking
div.setAttribute('data-floating-element', 'true');
// Apply CSS classes based on rankPosition
const positionClass = this.getPositionClass(element.rankPosition, index);
div.className = `bantuan-element ${positionClass}`;
div.style.zIndex = this.config.zIndexBase + index;
// Create the link and image
const link = document.createElement('a');
link.href = 'https://cta.ruangguru.com/' + cta.ctaId || '#';
link.target = '_blank';
// Add tracking attributes
link.setAttribute('data-tracking-event-type', 'landing_page__core__item_click');
link.setAttribute(
'data-tracking-context',
JSON.stringify({
product_name: this.product,
cta_action: 'redirection',
cta_action_detail: link.href,
item_type: 'floating',
item_name: element.name || 'Floating element',
item_category: 'payment',
item_position: index,
item_serial: null,
section_type: 'floating_item',
section_position: 'body',
section_name: 'floating_item',
})
);
const img = document.createElement('img');
img.src = element.imageUrl + '?h=200&convert=webp';
img.alt = element.name || 'Floating element';
img.loading = 'lazy';
// Add click tracking
link.addEventListener('click', () => {
this.trackClick(element, cta);
});
link.appendChild(img);
div.appendChild(link);
return div;
}
getPositionClass(rankPosition, index) {
// Define positioning classes based on rankPosition
if (rankPosition === 1) {
return 'bantuan-top'; // Top position
} else if (rankPosition === 2) {
return 'bantuan-bottom'; // Bottom position
} else {
// For additional elements, distribute them evenly
return `bantuan-${index % 2 === 0 ? 'top' : 'bottom'}-${Math.floor(index / 2) + 1}`;
}
}
trackClick(element, cta) {
// Implement click tracking logic here
console.log('Floating element clicked:', {
elementId: element.Id,
elementName: cta.name,
ctaId: cta.ctaId,
targetUrl: cta.targetUrl,
});
}
// Public method to manually refresh
async refresh() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to refresh floating elements:', error);
throw error;
}
}
// Public method to get current floating elements
getFloatingElements() {
return [...this.floatingElements];
}
}
// Initialize the component when DOM is ready
document.addEventListener('DOMContentLoaded', () => {
// Get product and table parameters from data attributes
const container = document.getElementById('bantuan-divs-container');
const product = container.getAttribute('data-product') || 'ruangguru';
const table = container.getAttribute('data-table') || 'rg_floating_icon';
new FloatingDivsComponent(product, table);
});
// Export for use in other modules if needed
if (typeof module !== 'undefined' && module.exports) {
module.exports = FloatingDivsComponent;
}
</script> <div id="wp-install-nudge" style="
position: fixed;
bottom: 0rem;
right: 0;
z-index: 999;
cursor: pointer;
"></div>
<script>
(function (w, d, s, o, f, js, fjs) {
w['Sales-Nudge-Widget'] = o; w[o] = w[o] || function () { (w[o].q = w[o].q || []).push(arguments) };
js = d.createElement(s), fjs = d.getElementsByTagName(s)[0];
js.id = o; js.src = f; js.async = 1; fjs.parentNode.insertBefore(js, fjs);
}(window, document, 'script', 'wpInstallNudge', 'https://cdn-web-2.ruangguru.com/sales-nudge/6198a95130/dist/widget.js'));
wpInstallNudge('init', { targetElementId: 'wp-install-nudge', clientTarget: 'ruangguru_blog' });
</script>
<script>
// note: disabled due to auto reload page
// var lastScrollTop = 0;
// $(window).scroll(function(event){
// var st = $(this).scrollTop();
// if (st > lastScrollTop){
// $('#wp-install-nudge').slideDown( "slow", function() {});
// } else {
// $('#wp-install-nudge').slideUp( "slow", function() {});
// }
// lastScrollTop = st;
// });
// $(document).ready(function () {
// $("#wp-install-nudge").hide();
// });
$('#wp-install-nudge').click(function(){
Analytics.track("promotion__install_nudge__click",
{
user_email: "ruangguru@blog.com",
cta_link: widgetData.dataConfig.target_link
}).catch((err) => {
console.log("tracker error", err);
});
});
</script>
</footer>
<div id="__next"></div>
<script type="speculationrules">
{"prefetch":[{"source":"document","where":{"and":[{"href_matches":"\/blog\/*"},{"not":{"href_matches":["\/blog\/wp-*.php","\/blog\/wp-admin\/*","\/blog\/wp-content\/uploads\/*","\/blog\/wp-content\/*","\/blog\/wp-content\/plugins\/*","\/blog\/wp-content\/themes\/ruangguru\/*","\/blog\/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]}
</script>
<script>
async function getCtaDetails(ctaIds) {
const endpoint =
" https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/CTA/views/CTA?offset=0&limit=10&where=(ctaId,in," + ctaIds.toString() + ")";
try {
const response = await fetch(endpoint, {
headers: {
"xc-token": "-hG2nBDJzSj0agSgNtcJx97M4F02y54nUMoY6plJ",
},
});
const data = await response.json();
const ctaList = data?.list || [];
const ctaMap = new Map();
for (const ctaData of ctaList) {
ctaMap.set(ctaData.ctaId, ctaData);
}
return ctaMap;
} catch (error) {
console.error("Error fetching CTA details:", error);
return new Map();
}
}
async function replaceCTA() {
const regex = /{{cta\((‘(.*?)’|“(.*?)”)\)}}/g;
const bodyHTML = document.body.innerHTML;
const matches = Array.from(bodyHTML.matchAll(regex));
const ctaIds = matches.map((match) => {
let ctaId = match[2] ?? match[3];
return ctaId;
});
const ctaMap = await getCtaDetails(ctaIds);
const replacedHTML = bodyHTML.replace(regex, (match, _inner, ctaId1, ctaId2) => {
const ctaId = ctaId1 ?? ctaId2;
const ctaData = ctaMap.get(ctaId);
if (ctaData) {
return `<a href="https://cta.ruangguru.com/${ctaData.ctaId}" target="_${ctaData.targetType}" style="position:relative;display:inline-block;">
<img src="${ctaData.imageUrl}" loading="lazy" alt="${ctaData.altText}" />
</a>`;
} else {
return match;
}
});
document.body.innerHTML = replacedHTML;
}
</script>
<meta name="author" content="Ruangguru Tech Team">
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PVNLZFT" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- Tracker -->
<script type="text/javascript" src="https://cdn-web-2.ruangguru.com/landing-page-web/public/staticpages/global-assets/js/cta.js"></script>
<script src="https://unpkg.com/@dotlottie/player-component@latest/dist/dotlottie-player.mjs" type="module"></script>
</body>
</html>