Artikel Biologi kelas 8 ini membahas segala sesuatu mengenai otot di tubuh manusia. Mulai dari pengertian, fungsi, jenis-jenis otot, serta cara kerja otot baik otot sinergis maupun antagonis.
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Sewaktu pertama kali mendengar kata “otot”, pasti yang terbesit di pikiran adalah seorang cowok kekar, binaragawan yang hobinya bawa barbel ke mana-mana. Ya, otot memang selalu diidentikkan dengan kemachoan seorang laki-laki.
Padahal, tidak harus seekstrem itu untuk mendapatkan fungsi otot yang maksimal. Jadi, sebenarnya apa sih otot itu? Yuk, cari tahu pengertian, fungsi, jenis, dan cara kerja otot.
Sebenarnya, apa sih yang dimaksud dengan otot? Jadi, otot adalah jaringan pada tubuh manusia yang dapat berkontraksi (mengerut) dan relaksasi (mengendur). Pada saat berkontraksi, otot akan jadi lebih pendek. Sebaliknya, saat relaksasi, otot akan memanjang.
Berdasarkan pengertian itu, selain otot, kayaknya tiap akhir bulan kita juga mengalami kontraksi dompet deh hehe…
Fungsi Otot
Memangnya apa, sih, fungsi otot-otot ini pada tubuh manusia? Tentu, selain bikin laki-laki jadi keliatan macho, secara biologis, terdapat 5 fungsi otot:
- Membantu mempertahankan postur tubuh
- Mendukung tubuh agar bisa berdiri tegak
- Membantu menstabilkan sendi-sendi di dalam tubuh
- Mempertahankan suhu tubuh
- Menghasilkan panas dari berbagai proses metabolisme di dalam tubuh
Ya, memang sepenting itu fungsi dari otot. Makanya, kita perlu menjaga kesehatan otot kita dengan sering berolahraga. Supaya apa? Jelas dong. Biar nggak kaku kayak kelakuan kamu sewaktu deket sama dia. Oh iya buat yang cewek, jangan takut. Olahraga nggak lantas bikin kamu berotot kayak Ade Rai kok.
Baca Juga: Macam-Macam Sendi di dalam Tubuh Manusia dan Fungsinya
Satu hal yang menarik dari otot adalah otot ini selalu bekerja. Bahkan ketika kita tidak sadar, otot ini selalu bekerja. Jadi selain otot yang kita gerakin secara sadar (otot ini disebut sebagai otot volunter), ada juga berbagai otot yang bekerja meskipun tidak kita “suruh”. Otot jenis ini, disebut dengan otot involunter/otonom.
Saat kamu bernapas misalnya, ada otot-otot yang terus bekerja dalam mengatur sistem pernapasan kita. Begitu pula dengan sistem pompa darah di tubuh kita. Meskipun kita coba “berhenti” dengan cara tidur, otot ini tetap bekerja, lho!
Dasar otot, sukanya ngotot.
3 Jenis Otot Manusia
Kalo kamu bertanya-tanya, letak otot itu ada di mana aja ya? Nah, berdasarkan struktur dan fungsinya, ada 3 jenis otot di tubuh kita:
1. Otot Jantung
Otot jantung ini merupakan otot yang istimewa. Ya, seperti yang sudah dibahas di awal, otot jantung terus bekerja meskipun kita tidak sadar. Meskipun otak kita tidak menyuruhnya untuk bergerak, tapi si otot jantung ini tetap melakukan kerjanya untuk bekerja dan bergerak.
Ya.. kalo nggak. Jantung kita berhenti, dong?
Adapun ciri-ciri otot jantung:
- Inti sel banyak dan terletak di tengah.
- Bentuknya memanjang, silindris, dan serabut selnya bercabang dan saling menyatu.
- Hanya terdapat di jantung dan bekerja di luar kesadaran (involunter/otonom).
- Kontraksinya kuat dan berirama.
- Mempunyai garis melintang.
2. Otot Lurik
Otot lurik disebut juga dengan otot rangka. Letaknya menempel pada rangka tubuh dan digunakan sebagai alat pergerakan.
Lalu, kenapa disebut lurik?
Karena otot ini punya semacam “pola” serat bergaris. Itu, lho, kalau digambar yang semacam pola warna terang dan gelap (coba deh kamu zoom gambarnya kalau kurang jelas). Berbeda dengan otot jantung, otot lurik merupakan otot yang volunter, artinya kita harus secara sadar menggerakkan si otot ini.
Adapun ciri-ciri dari otot lurik:
- Inti sel banyak dan berada di bagian tepi.
- Bentuknya silindris, panjang, punya ribuan serabut yang membentuk jaringan otot
- Terdapat pada otot lengan, perut, pipi, dan menempel pada rangka tubuh.
- Termasuk otot volunter (harus bekerja dengan kesadaran)
- Mampu bekerja dengan kuat dan cepat, tapi mudah lelah.
3. Otot Polos
Otot polos ini bukan berarti ototnya nggak tahu apa-apa ya…
Dinamakan otot polos karena ototnya… polos. Ya, sungguh suatu penamaan yang kreatif abis.
Otot polos berbentuk gelendong dan termasuk ke dalam jenis otot otonom. Tebak kira-kira ada di mana otot polos? Betul, dia biasanya melapisi organ-organ dalam di tubuh. Seperti misalnya, dinding usus, pembuluh darah, sampai dinding rahim wanita.
Ya… bayangin aja kalau dia kerjanya harus nunggu perintah kita dulu, kan repot juga setiap hari harus mikir gimana caranya untuk mengalirkan darah di tubuh.
Adapun ciri-ciri otot polos:
- Hanya memiliki 1 inti sel yang berada di bagian tengah.
- Bentuknya gelendong dengan kedua ujung meruncing, bereaksi lambat tidak mudah lelah.
- Terdapat pada ototpembuluh darah, otot pada sistem pencernaan, dan organ-organ dalam tubuh.
- Termasuk otot involunter/otonom.
- Tidak mempunyai garis melintang.
Baca Juga: Kram Anthony Ginting, Satu dari Beberapa Gangguan Sistem Gerak
Bagaimana Cara Kerja Otot?
Seperti yang kita tahu, tulang-tulang dapat bergerak karena adanya otot. Lalu, bagaimana, sih, caranya otot bekerja? Berdasarkan cara kerjanya, otot itu dibedakan menjadi 2 macam:
1. Otot Sinergis
Otot sinergis adalah otot yang bekerja sama secara searah. Maksudnya gimana tuh? Jadi, si otot-otot ini berkontraksi dan berelaksasi secara bersamaan. Saat satu otot berkontraksi, otot lainnya juga ikut berkontraksi. Saat satu otot relaksasi, otot lainnya juga ikut relaksasi. Ya, keduanya saling berjuang bersama-sama. Bukannya cuma satu pihak yang berjuang dan yang lain nuntut. Hmmmmm.
2. Otot Antagonis
Berkebalikan dengan sinergis, otot antagonis adalah otot yang bekerja berlawanan. Artinya, apabila satu otot mengalami kontraksi, otot yang lain melakukan relaksasi. Contohnya adalah pada otot bisep dan trisep.
Gerakan salah satu otot antagonis (sumber: Ted-ed via YouTube)
Nah sekarang tahu kan, apa itu pengertian otot, fungsi, jenis-jenis otot, serta cara kerja otot. Otot yang selama ini kita pikir sesuatu yang “cowok banget”, ternyata sebenarnya punya fungsi yang luas dan bukan hanya sebagai ajang macho-machoan aja kan. Kalau kamu ingin melihat gerakan otot yang sudah dijelaskan tadi dengan lebih lengkap, tonton aja lewat video animasi di ruangbelajar!
Referensi:
Kementrian Pendidikan dan Kebudayaan. (2017). Ilmu Pengetahuan Alam Kelas VIII SMP/MTS Edisi Revisi 2017. Jakarta: Balitbang Kemendikbud
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<h1 class="content-title">
Otot: Pengertian, Fungsi, Jenis & Cara Kerjanya | Biologi Kelas 8 </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>July 29, 2024 • </span> <span>5 minutes read</span></p>
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<p><img decoding="async" style="width: 1709px;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/BIO08%20-%20Otot%20Manusia-01.jpg" alt="Otot Manusia" /></p>
<blockquote>
<p style="text-align: center;"><em>Artikel <a style="font-weight: bold;" href="/blog/tag/biologi-viii" rel="noopener">Biologi kelas 8</a> ini membahas segala sesuatu mengenai otot di tubuh manusia. Mulai dari pengertian, fungsi, jenis-jenis otot, serta cara kerja otot baik otot sinergis maupun antagonis.</em></p>
</blockquote>
<p style="text-align: center;"><em>—</em></p>
<p> </p>
<p style="text-align: justify;">Sewaktu pertama kali mendengar kata “otot”, pasti yang terbesit di pikiran adalah seorang cowok kekar, binaragawan yang hobinya bawa barbel ke mana-mana. Ya, otot memang selalu diidentikkan dengan kemachoan seorang laki-laki.</p>
<p style="text-align: justify;">Padahal, tidak harus seekstrem itu untuk mendapatkan fungsi otot yang maksimal. Jadi, sebenarnya apa sih otot itu? Yuk, cari tahu pengertian, fungsi, jenis, dan cara kerja otot.</p>
<p> </p>
<h2><span style="font-size: 18pt;">Pengertian Otot</span></h2>
<p style="text-align: justify;">Sebenarnya, apa sih yang dimaksud dengan otot? Jadi, <strong>otot adalah</strong> <span style="font-weight: bold;">jaringan pada tubuh manusia yang dapat berkontraksi (mengerut) dan relaksasi (mengendur)</span>. Pada saat berkontraksi, otot akan jadi lebih pendek. Sebaliknya, saat relaksasi, otot akan memanjang.</p>
<p style="text-align: justify;">Berdasarkan pengertian itu, selain otot, kayaknya tiap akhir bulan kita juga mengalami kontraksi dompet deh hehe…</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/BIO08%20-%20Otot%20Manusia-03.jpg" alt="Fakta Seputar Otot" width="600" /></p>
<p> </p>
<h2><span style="font-size: 18pt;">Fungsi Otot</span></h2>
<p style="text-align: justify;">Memangnya apa, sih, fungsi otot-otot ini pada tubuh manusia? Tentu, selain bikin laki-laki jadi keliatan macho, secara biologis, <strong>terdapat 5 fungsi otot:</strong></p>
<ol>
<li style="font-size: 16px; font-weight: normal;">Membantu mempertahankan postur tubuh</li>
<li style="font-weight: normal; font-size: 16px;">Mendukung tubuh agar bisa berdiri tegak</li>
<li style="font-weight: normal; font-size: 16px;">Membantu menstabilkan sendi-sendi di dalam tubuh</li>
<li style="font-weight: normal; font-size: 16px;">Mempertahankan suhu tubuh</li>
<li style="font-size: 16px; font-weight: normal;">Menghasilkan panas dari berbagai proses metabolisme di dalam tubuh</li>
</ol>
<p> </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/BIO08%20-%20Otot%20Manusia-04.jpg" alt="fungsi otot manusia" width="600" /></p>
<p> </p>
<p style="text-align: justify;">Ya, memang sepenting itu fungsi dari otot. Makanya, kita perlu menjaga kesehatan otot kita dengan sering berolahraga. Supaya apa? Jelas dong. Biar nggak kaku kayak kelakuan kamu sewaktu deket sama dia. Oh iya buat yang cewek, jangan takut. Olahraga nggak lantas bikin kamu berotot kayak Ade Rai kok.</p>
<p style="text-align: justify;"><strong>Baca Juga: <a href="/blog/macam-macam-sendi" rel="noopener">Macam-Macam Sendi di dalam Tubuh Manusia dan Fungsinya</a></strong></p>
<p style="text-align: justify;">Satu hal yang menarik dari otot adalah otot ini selalu bekerja. Bahkan ketika kita tidak sadar, otot ini selalu bekerja. Jadi selain otot yang <strong>kita gerakin secara sadar (otot ini disebut sebagai otot volunter)</strong>, ada juga berbagai otot yang bekerja meskipun <strong>tidak kita “suruh”. Otot jenis ini, disebut dengan otot involunter/otonom.</strong></p>
<p style="text-align: justify;">Saat kamu bernapas misalnya, ada otot-otot yang terus bekerja dalam mengatur sistem pernapasan kita. Begitu pula dengan sistem pompa darah di tubuh kita. Meskipun kita coba “berhenti” dengan cara tidur, otot ini tetap bekerja, <em>lho!</em></p>
<p style="text-align: justify;">Dasar otot, sukanya ngotot.</p>
<p> </p>
<h2><span style="font-size: 18pt;">3 Jenis Otot Manusia</span></h2>
<p style="text-align: justify;">Kalo kamu bertanya-tanya, letak otot itu ada di mana aja ya? Nah, <strong>berdasarkan struktur dan fungsinya, ada 3 jenis otot di tubuh kita:</strong></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/BIO08%20-%20Otot%20Manusia-06.jpg" alt="jenis-jenis otot" width="600" /></p>
<p> </p>
<h3><span style="font-size: 14pt;">1. Otot Jantung</span></h3>
<p style="text-align: justify;">Otot jantung ini merupakan<strong> otot yang istimewa.</strong> Ya, seperti yang sudah dibahas di awal, otot jantung terus bekerja meskipun kita tidak sadar. Meskipun otak kita tidak menyuruhnya untuk bergerak, tapi si otot jantung ini tetap melakukan kerjanya untuk bekerja dan bergerak.</p>
<p style="text-align: justify;">Ya.. kalo nggak. Jantung kita berhenti, <em>dong</em>?</p>
<p style="text-align: justify;">Adapun ciri-ciri otot jantung:</p>
<ol>
<li style="text-align: justify;">Inti sel banyak dan terletak di tengah.</li>
<li style="text-align: justify;">Bentuknya memanjang, silindris, dan serabut selnya bercabang dan saling menyatu.</li>
<li style="text-align: justify;">Hanya terdapat di jantung dan bekerja di luar kesadaran (involunter/otonom).</li>
<li style="text-align: justify;">Kontraksinya kuat dan berirama.</li>
<li style="text-align: justify;">Mempunyai garis melintang.</li>
</ol>
<p> </p>
<h3><span style="font-size: 14pt;">2. Otot Lurik</span></h3>
<p style="text-align: justify;">Otot lurik <strong>disebut juga dengan otot rangka.</strong> Letaknya menempel pada rangka tubuh dan digunakan sebagai alat pergerakan.</p>
<p style="text-align: justify;">Lalu, kenapa disebut lurik?</p>
<p style="text-align: justify;">Karena otot ini punya semacam “pola” serat bergaris. Itu, lho, kalau digambar yang <strong>semacam pola warna terang dan gelap</strong> (coba deh kamu <em>zoom </em>gambarnya kalau kurang jelas). Berbeda dengan otot jantung, otot lurik merupakan <strong>otot yang volunter, artinya kita harus secara sadar menggerakkan si otot ini.</strong></p>
<p style="text-align: justify;">Adapun ciri-ciri dari otot lurik:</p>
<ol>
<li style="text-align: justify;">Inti sel banyak dan berada di bagian tepi.</li>
<li style="text-align: justify;">Bentuknya silindris, panjang, punya ribuan serabut yang membentuk jaringan otot</li>
<li style="text-align: justify;">Terdapat pada otot lengan, perut, pipi, dan menempel pada rangka tubuh.</li>
<li style="text-align: justify;">Termasuk otot volunter (harus bekerja dengan kesadaran)</li>
<li style="text-align: justify;">Mampu bekerja dengan kuat dan cepat, tapi mudah lelah.</li>
</ol>
<p> </p>
<h3><span style="font-size: 14pt;">3. Otot Polos</span></h3>
<p style="text-align: justify;">Otot polos ini bukan berarti ototnya nggak tahu apa-apa ya…</p>
<p style="text-align: justify;">Dinamakan otot polos karena ototnya… polos. Ya, sungguh suatu penamaan yang kreatif abis.</p>
<p style="text-align: justify;">Otot polos berbentuk gelendong dan termasuk ke dalam jenis otot otonom. Tebak kira-kira ada di mana otot polos? Betul, dia biasanya melapisi organ-organ dalam di tubuh. Seperti misalnya, dinding usus, pembuluh darah, sampai dinding rahim wanita.</p>
<p style="text-align: justify;">Ya… bayangin aja kalau dia kerjanya harus nunggu perintah kita dulu, kan repot juga setiap hari harus mikir gimana caranya untuk mengalirkan darah di tubuh.</p>
<p style="text-align: justify;">Adapun ciri-ciri otot polos:</p>
<ol>
<li style="text-align: justify;">Hanya memiliki 1 inti sel yang berada di bagian tengah.</li>
<li style="text-align: justify;">Bentuknya gelendong dengan kedua ujung meruncing, bereaksi lambat tidak mudah lelah.</li>
<li style="text-align: justify;">Terdapat pada ototpembuluh darah, otot pada sistem pencernaan, dan organ-organ dalam tubuh.</li>
<li style="text-align: justify;">Termasuk otot involunter/otonom.</li>
<li style="text-align: justify;">Tidak mempunyai garis melintang.</li>
</ol>
<p> </p>
<p style="text-align: justify;"><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-%20Otot%20Manusia-05.jpg" alt="Otot stapedius" width="600" /></p>
<p><strong>Baca Juga: <a href="/blog/beberapa-macam-gangguan-sistem-gerak" rel="noopener">Kram Anthony Ginting, Satu dari Beberapa Gangguan Sistem Gerak</a></strong></p>
<p> </p>
<h2><span style="font-size: 18pt;">Bagaimana Cara Kerja Otot?</span></h2>
<p style="text-align: justify;">Seperti yang kita tahu, <a style="font-weight: bold;" href="/blog/tulang-penyusun-rangka-tubuh-manusia" target="_blank" rel="noopener">tulang-tulang dapat bergerak</a> karena adanya otot. Lalu, bagaimana, sih, <a style="font-weight: bold;" href="/blog/biologi-kelas-11-mengenal-mekanisme-kerja-otot" target="_blank" rel="noopener">caranya otot bekerja?</a> Berdasarkan cara kerjanya, otot itu dibedakan menjadi 2 macam:</p>
<p> </p>
<h3><span style="font-size: 14pt;">1. Otot Sinergis</span></h3>
<p style="text-align: justify;"><strong>Otot sinergis adalah otot yang bekerja sama secara searah.</strong> Maksudnya gimana<em> tuh</em>? Jadi, si otot-otot ini berkontraksi dan berelaksasi secara bersamaan. Saat satu otot berkontraksi, otot lainnya juga ikut berkontraksi. Saat satu otot relaksasi, otot lainnya juga ikut relaksasi. Ya, keduanya saling berjuang bersama-sama. Bukannya cuma satu pihak yang berjuang dan yang lain nuntut. Hmmmmm.</p>
<p> </p>
<h3><span style="font-size: 14pt;">2. Otot Antagonis</span></h3>
<p style="text-align: justify;">Berkebalikan dengan sinergis, otot antagonis adalah otot yang <strong>bekerja berlawanan. </strong>Artinya, apabila satu otot mengalami kontraksi, otot yang lain melakukan relaksasi. Contohnya adalah pada otot bisep dan trisep.</p>
<p style="text-align: center;"><img decoding="async" style="width: 480px;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/otot-antagonis-1.gif" alt="otot-antagonis-1" width="480" /></p>
<p style="text-align: center;"><em>Gerakan salah satu otot antagonis (sumber: Ted-ed via YouTube)</em></p>
<p> </p>
<p style="text-align: justify;"><em>Nah </em>sekarang tahu kan, apa itu pengertian otot, fungsi, jenis-jenis otot, serta cara kerja otot. Otot yang selama ini kita pikir sesuatu yang “cowok banget”, ternyata sebenarnya punya fungsi yang luas dan bukan hanya sebagai ajang macho-machoan aja kan. <span style="background-color: transparent;">Kalau kamu ingin melihat gerakan otot yang sudah dijelaskan tadi dengan lebih lengkap, tonton aja lewat video animasi di </span><span style="font-weight: bold;"><a href="https://app.ruangguru.com/ruangbelajar/">ruangbelajar</a>!</span></p>
<p style="text-align: center;"><span style="color: #33cccc;"><strong><a class="rg-cta" style="text-align: center;" href="https://link.ruangguru.com/blPk/eaff0eb9" target="_blank" rel="noopener"><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/cta/0ec4a2df-db2e-4ae1-8473-692756dcb684.jpeg" alt="IDN CTA Blog ruangbelajar Ruangguru" /></a></strong></span></p>
<p style="text-align: left;"><strong>Referensi: </strong></p>
<p style="text-align: left;">Kementrian Pendidikan dan Kebudayaan. (2017). Ilmu Pengetahuan Alam Kelas VIII SMP/MTS Edisi Revisi 2017. Jakarta: Balitbang Kemendikbud</p>
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<div class="d-lg-none text-center">
<nav class="footer-menu social">
<p class="title">Ikuti Kami</p>
<a target="_blank" href="https://www.instagram.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/instagram.png" loading="lazy" alt="Logo Instagram Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.facebook.com/ruanggurucom/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/facebook.png" loading="lazy" alt="Logo Facebook Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://twitter.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/twitter.png" loading=" lazy" alt="Logo Twitter Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.youtube.com/ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/youtube.png?height=60&convert=webp" type="image/webp">
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<img src="https://cdn-web-2.ruangguru.com/static/youtube.png" loading=" lazy" alt="Logo Youtube Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.linkedin.com/company/ruangguru-com">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/linkedin.png" loading=" lazy" alt="Logo LinkedIn Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.tiktok.com/@ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/tiktok.png?height=60&convert=webp" type="image/webp">
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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>