Kamu sedang mempelajari statistik deskriptif dalam data berinterval? Yuk, simak penjelasan rata-rata, modus, kuartil, dan simpangan baku yang akan dijelaskan dalam artikel Matematika kelas 12 ini!
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Hai, guys! Tahu nggak kalau Indonesia diprediksi menjadi negara dengan kekuatan ekonomi terbesar kelima di tahun 2030? Penyebab prediksi itu adalah tingginya bonus demografi di Indonesia.
Nah, kamu tau nggak tentang apa itu bonus demografi? Jadi bonus demografi adalah suatu keadaan yang diperoleh bila proporsi penduduk berusia produktif (15 – 64 tahun) lebih banyak dari usia muda (kurang dari 15 tahun) dan usia lanjut (lebih dari 64 tahun).
Untuk jelasnya, bisa kita lihat dari grafik yang menunjukkan interval usia populasi di Indonesia saat ini, nih!
Populasi Indonesia di berbagai rentang umur tahun 2017. (Sumber: BPS)
Grafik di atas menunjukkan jumlah populasi penduduk Indonesia dengan interval usia tertentu. Sekilas terlihat kan penduduk usia produktif di Indonesia lebih banyak? Namun, bagaimana ya cara menunjukkannya secara kuantitatif dari statistika deskriptif?
Pengertian Statistik Deskriptif Data Berkelompok/Interval
Dalam materi ini, kita akan mempelajari beberapa bagian, seperti rataan, modus, kuartil, dan simpangan baku. Bagian tersebut sangat dibutuhkan dalam menganalisa data. Coba deh pelajari kembali Istilah-Istilah Statistik Data Tunggal dalam Matematika untuk dapat memahami bab ini ya!
Untuk menentukan statistika deskriptif dari data berinterval, coba kamu perhatikan beberapa rumus statistika deskriptif yang sering dibutuhkan untuk data berinterval di bawah ini:
Ukuran Pemusatan Data Interval/Kelompok
1. Rata-rata
Rata-rata adalah hasil pembagian jumlah nilai dengan banyak data. Rata-rata hitung suatu data dapat ditentukan dengan beberapa cara, yakni menggunakan nilai tengah dan menggunakan rata-rata sementara.
2. Modus
Modus (MO) adalah nilai data yang paling sering muncul. Letak kelas modus dapat ditentukan berdasarkan kelas yang frekuensinya paling besar.
3. Nilai Letak Data
Nilai letak data adalah nilai yang membagi data yang berurutan menjadi beberapa bagian, diantaranya kuartil, desil, dan persentil.
Kuartil merupakan nilai yang membagi data yang sudah diurutkan menjadi empat bagian yang sama banyak. Kelompok data mempunyai 3 buah kuartil, yaitu Kuartil bawah (Q1), Kuartil tengah / median (Q2), dan Kuartil atas (Q3).
Desil adalah nilai yang membagi data yang sudah diurutkan menjadi sepuluh bagian yang sama banyak. Kelompok data memiliki 9 buah desil.
Persentil adalah nilai yang membagi data yang sudah diurutkan menjadi 100 bagian yang sama banyak. Kelompok data memiliki sebanyak 99 buah persentil.
Baca Juga: Mengenal Statistika dan Diagram Penyajian Data
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Sebelum kita bahas materi statistika lebih lanjut, kalo masih ada poin-poin yang belum kamu mengerti, mending belajar sama ahlinya, deh. Belajar bareng kakak-kakak pengajar di Ruangguru Privat Matematika misalnya.
Belajar nggak cuma menyenangkan, tapi kamu juga bakal diajari konsepnya sampai paham! Para pengajar di Ruangguru Privat juga sudah terstandarisasi kualitasnya, loh. Kamu juga bisa pilih nih, mau diajarkan secara langsung (offline) atau daring (online). Fleksibel, kan? Untuk info lebih lanjut, cuss klik link berikut!
Ukuran Penyebaran Data Interval/Kelompok
1. Simpangan Rata-rata
Simpangan rata-rata atau umumnya disebut mean deviation, merupakan adalah rata-rata jarak antara nilai-nilai data menuju rata-ratanya. Kegunaan dari simpangan rata-rata ialah untuk mengetahui seberapa jauh nilai data menyimpang dari rata-ratanya.
2. Simpangan Baku (Varian dan Standar Deviasi)
Adalah ukuran-ukuran keragaman (variasi) data statistik yang paling sering digunakan. Standar deviasi (simpangan baku) merupakan akar kuadrat dari varian. Fungsi dari penghitungan simpangan baku untuk mengetahui keragaman suatu kelompok data.
Salah satu cara untuk mengetahui keragaman dari suatu kelompok data adalah dengan mengurangi setiap nilai data dengan rata-rata kelompok data tersebut, selanjutnya semua hasilnya dijumlahkan.
Cara Menghitung Statistik Data Interval/Berkelompok
Kalau sudah tau rumus-rumusnya, coba kita cari tau yuk salah satu statistika deskriptif dari data populasi Indonesia tahun 2017 di atas. Misalnya kita ingin menjawab
Berapa sih rata – rata umur penduduk laki-laki Indonesia dari umur 0 hingga 74 tahun?
Jika ingin mencari rata-rata, kamu butuh data jumlah banyaknya (atau biasa disebut frekuensi) tiap kelompok dan titik tengahnya. Jadi, kita harus membuat tabelnya dulu nih berdasarkan gambar grafik di atas. Tabelnya berisi kelompok umur, nilai tengah dari kelompok umur itu, frekuensi, dan hasil kali antara nilai tengah dan frekuensi.
Oh iya, tabelnya bakal kepanjangan nih jika ditampilkan semua di sini. Jadi dipersingkat ya seperti pada gambar di bawah ini (disimbolkan dengan titik-titik). Tapi tetap, kamu harus membuat tabel itu dari kelompok umur 0 – 4 tahun hingga 70 – 74 tahun ya.
Setelah dibuat tabelnya, didapat kan dari tabel hasil sebagai berikut:
= 3791,86 dan = 129,63
Dari rumus rata-rata akan didapat
= 3791,86 / 129,63
= 29,25
Jadi rata-rata umur penduduk laki-laki Indonesia dari 0 sampai 74 tahun adalah 29,25 tahun. Masih muda-muda sekali, ya!
Baca Juga: Mengenal Ilmu Tertua dalam Matematika: Geometri!
Kalau muda kan jadi lebih produktif, punya waktu yang panjang, dan otomatis bisa membangun Indonesia lebih baik lagi. Beban penduduk usia tua juga bisa lebih terbantu nih. Apalagi kalau penduduk usia muda juga pada cerdas teknologi. Wuih bakal berjaya Indonesia. Makanya ayo belajar yang rajin ya teman-teman!
Kalau kamu butuh video materi dan pembahasan soal yang lebih banyak, langsung aja daftar di ruangbelajar. Dijamin deh jadi makin jago. Tunggu apa lagi? Yuk, langsung aja langganan!
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<h1 class="content-title">
Statistika Deskriptif dalam Data Berinterval, Rumus & Contohnya | Matematika Kelas 12 </h1>
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<p class="content-author"><a href="https://www.ruangguru.com/blog/author/leo-bisma" class="">Leo Bisma</a> </p>
<p class="content-info"><span>January 23, 2026 • </span> <span>4 minutes read</span></p>
<br />
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<p style="text-align: justify;"><img decoding="async" style="width: 820px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/12MAT%20-%20Statistik%20Deskriptif%20Data%20Interval-01.jpg" alt="Statistik Deskriptif Data Interval" width="820" /></p>
<blockquote>
<p style="font-size: 16px; text-align: center;"><em>Kamu sedang mempelajari statistik deskriptif dalam data berinterval? Yuk, simak penjelasan rata-rata, modus, kuartil, dan simpangan baku yang akan dijelaskan dalam <strong><a href="https://www.ruangguru.com/blog/c/matematika/matematika-sma-kelas-12">artikel Matematika kelas 12</a></strong> ini!</em></p>
</blockquote>
<p style="text-align: center;">—</p>
<p> </p>
<p style="text-align: justify;">Hai, <em>guys! </em>Tahu <em>nggak </em>kalau Indonesia diprediksi menjadi negara dengan kekuatan ekonomi terbesar kelima di tahun 2030? Penyebab prediksi itu adalah tingginya bonus demografi di Indonesia.</p>
<p style="text-align: justify;"><em>Nah, </em>kamu tau <em>nggak </em>tentang apa itu bonus demografi? Jadi bonus demografi adalah suatu keadaan yang diperoleh bila proporsi penduduk berusia produktif (15 – 64 tahun) lebih banyak dari usia muda (kurang dari 15 tahun) dan usia lanjut (lebih dari 64 tahun).</p>
<p style="text-align: justify;">Untuk jelasnya, bisa kita lihat dari grafik yang menunjukkan interval usia populasi di Indonesia saat ini, nih!</p>
<p style="text-align: center;"><em><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Piramida%20Penduduk%20Indonesia%202017%20-%20BPS%20(Katadata).png" alt="Piramida Penduduk Indonesia 2017 - BPS (Katadata)" width="600" /></em>Populasi Indonesia di berbagai rentang umur tahun 2017. (Sumber: BPS)</p>
<p> </p>
<p style="text-align: justify;">Grafik di atas menunjukkan jumlah populasi penduduk Indonesia dengan interval usia tertentu. Sekilas terlihat kan penduduk usia produktif di Indonesia lebih banyak? Namun, bagaimana ya cara menunjukkannya secara kuantitatif dari statistika deskriptif?</p>
<p> </p>
<h2 style="text-align: justify;"><span style="font-size: 18pt;">Pengertian Statistik Deskriptif Data Berkelompok/Interval</span></h2>
<p style="text-align: justify;">Dalam materi ini, kita akan mempelajari beberapa bagian, seperti rataan, modus, kuartil, dan simpangan baku. Bagian tersebut sangat dibutuhkan dalam menganalisa data. Coba deh pelajari kembali <a href="https://www.ruangguru.com/blog/pengenalan-istilah-statistik-data-tunggal-dalam-matematika"><strong>Istilah-Istilah Statistik Data Tunggal dalam Matematika</strong></a> untuk dapat memahami bab ini ya!</p>
<p style="text-align: justify;">Untuk menentukan statistika deskriptif dari data berinterval, coba kamu perhatikan beberapa rumus statistika deskriptif yang sering dibutuhkan untuk data berinterval di bawah ini:</p>
<p> </p>
<h2 style="text-align: justify;"><span style="font-size: 18pt;">Ukuran Pemusatan Data Interval/Kelompok</span></h2>
<h3><span style="font-size: 14pt;">1. Rata-rata</span></h3>
<p style="text-align: justify;">Rata-rata adalah<strong> hasil pembagian jumlah nilai dengan banyak data</strong>. Rata-rata hitung suatu data dapat ditentukan dengan beberapa cara, yakni menggunakan <strong>nilai tengah </strong> dan menggunakan <strong>rata-rata sementara.</strong></p>
<p> </p>
<h3><span style="font-size: 14pt;">2. Modus</span></h3>
<p>Modus (<em>M</em><em><sub>O</sub></em>) adalah nilai data yang paling sering muncul. Letak kelas modus dapat ditentukan berdasarkan kelas yang<strong> frekuensinya paling besar</strong>.</p>
<p> </p>
<h3><span style="font-size: 14pt;">3. Nilai Letak Data</span></h3>
<p style="text-align: justify;">Nilai letak data adalah nilai yang membagi data yang berurutan menjadi beberapa bagian, diantaranya kuartil, desil, dan persentil.</p>
<ul>
<li>
<h4>Kuartil</h4>
</li>
</ul>
<p style="text-align: justify;"><span style="background-color: transparent; font-size: 1rem; text-align: left;">Kuartil merupakan nilai yang membagi data yang sudah diurutkan menjadi empat bagian yang sama banyak. Kelompok data mempunyai 3 buah kuartil, yaitu </span><strong style="background-color: transparent; font-size: 1rem;">Kuartil bawah (</strong><strong style="background-color: transparent; font-size: 1rem;"><em>Q1</em></strong><strong style="background-color: transparent; font-size: 1rem;">), Kuartil tengah / median (</strong><strong style="background-color: transparent; font-size: 1rem;"><em>Q2</em></strong><strong style="background-color: transparent; font-size: 1rem;">), dan Kuartil atas (</strong><strong style="background-color: transparent; font-size: 1rem;"><em>Q3</em></strong><strong style="background-color: transparent; font-size: 1rem;">).</strong></p>
<ul>
<li>
<h4>Desil</h4>
</li>
</ul>
<p style="text-align: justify;"><span style="background-color: transparent; font-size: 1rem; text-align: left;">Desil adalah nilai yang membagi data yang sudah diurutkan menjadi sepuluh bagian yang sama banyak. Kelompok data memiliki 9 buah desil.</span></p>
<ul>
<li>
<h4>Persentil</h4>
</li>
</ul>
<p style="text-align: justify;"><span style="background-color: transparent; font-size: 1rem; text-align: left;">Persentil adalah nilai yang membagi data yang sudah diurutkan menjadi 100 bagian yang sama banyak. Kelompok data memiliki sebanyak 99 buah persentil.</span></p>
<p style="text-align: justify;"><strong>Baca Juga: <a href="https://www.ruangguru.com/blog/statistika-dan-diagram-penyajian-data">Mengenal Statistika dan Diagram Penyajian Data</a></strong></p>
<p style="text-align: center;">—</p>
<p style="text-align: justify;">Sebelum kita bahas materi statistika lebih lanjut, kalo masih ada poin-poin yang belum kamu mengerti, mending belajar sama ahlinya, deh. Belajar bareng kakak-kakak pengajar di <a href="https://www.ruangguru.com/privat/matematika"><strong>Ruangguru Privat Matematika</strong></a> misalnya.</p>
<p style="text-align: justify;">Belajar nggak cuma menyenangkan, tapi kamu juga bakal diajari konsepnya sampai paham! Para pengajar di Ruangguru Privat juga sudah terstandarisasi kualitasnya, loh. Kamu juga bisa pilih nih, mau diajarkan secara langsung (<em>offline</em>) atau daring (<em>online</em>). Fleksibel, kan? Untuk info lebih lanjut, cuss klik link berikut!</p>
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<p> </p>
<h2 style="text-align: justify;"><span style="font-size: 18pt;">Ukuran Penyebaran Data Interval/Kelompok</span></h2>
<h3><span style="font-size: 14pt;">1. Simpangan Rata-rata</span></h3>
<p style="text-align: justify;">Simpangan rata-rata atau umumnya disebut <em>mean deviation</em>, merupakan adalah rata-rata jarak antara nilai-nilai data menuju rata-ratanya. Kegunaan dari simpangan rata-rata ialah untuk mengetahui seberapa jauh nilai data menyimpang dari rata-ratanya.</p>
<p> </p>
<h3><span style="font-size: 14pt;">2. Simpangan Baku (Varian dan Standar Deviasi)</span></h3>
<p style="text-align: justify;">Adalah ukuran-ukuran keragaman (variasi) data statistik yang paling sering digunakan. Standar deviasi (simpangan baku) merupakan akar kuadrat dari varian. Fungsi dari penghitungan simpangan baku untuk mengetahui keragaman suatu kelompok data.</p>
<p style="text-align: justify;">Salah satu cara untuk mengetahui keragaman dari suatu kelompok data adalah dengan mengurangi setiap nilai data dengan rata-rata kelompok data tersebut, selanjutnya semua hasilnya dijumlahkan.</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/12MAT%20-%20Statistik%20Deskriptif%20Data%20Interval-03.jpg" alt="Rumus Statistika Data berkelompok / interval" width="600" /></p>
<p> </p>
<h2><span style="font-size: 18pt;">Cara Menghitung Statistik Data Interval/Berkelompok</span></h2>
<p style="text-align: justify;">Kalau sudah tau rumus-rumusnya, coba kita cari tau <em>yuk </em>salah satu statistika deskriptif dari data populasi Indonesia tahun 2017 di atas. Misalnya kita ingin menjawab</p>
<p><em>Berapa sih rata – rata umur penduduk laki-laki Indonesia dari umur 0 hingga 74 tahun?</em></p>
<p style="text-align: justify;">Jika ingin mencari rata-rata, kamu butuh data jumlah banyaknya (atau biasa disebut frekuensi) tiap kelompok dan titik tengahnya. Jadi, kita harus membuat tabelnya dulu <em>nih</em> berdasarkan gambar grafik di atas. Tabelnya berisi kelompok umur, nilai tengah dari kelompok umur itu, frekuensi, dan hasil kali antara nilai tengah dan frekuensi.</p>
<p style="text-align: justify;">Oh iya, tabelnya bakal kepanjangan <em>nih</em> jika ditampilkan semua di sini. Jadi dipersingkat ya seperti pada gambar di bawah ini (disimbolkan dengan titik-titik). Tapi tetap, kamu harus membuat tabel itu dari kelompok umur 0 – 4 tahun hingga 70 – 74 tahun ya.</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/12MAT%20-%20Statistik%20Deskriptif%20Data%20Interval-04.jpg" alt="Tabel statistika Data berkelompok / interval" width="600" /></p>
<p> </p>
<p style="text-align: justify;"> <span style="background-color: transparent;">Setelah dibuat tabelnya, didapat </span><em style="background-color: transparent;">kan</em><span style="background-color: transparent;"> dari tabel hasil sebagai berikut:</span></p>
<p style="text-align: justify;"><img decoding="async" style="width: 74px;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/rata-rata%201.png" alt="rata-rata 1" width="74" />= 3791,86 dan <span style="font-size: 14px; color: #202124;"> <img decoding="async" style="width: 44px;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/rata-rata%202.png" alt="rata-rata 2" width="44" /></span>= 129,63</p>
<p style="text-align: justify;">Dari rumus rata-rata akan didapat</p>
<p style="text-align: justify;"><img decoding="async" style="width: 20px;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/x%20bar.png" alt="x bar" width="20" />= 3791,86 / 129,63</p>
<p><img decoding="async" style="width: 20px;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/x%20bar.png" alt="x bar" width="20" />= 29,25</p>
<p style="text-align: justify;">Jadi rata-rata umur penduduk laki-laki Indonesia dari 0 sampai 74 tahun adalah 29,25 tahun. Masih muda-muda sekali, ya!</p>
<p><strong>Baca Juga: <a href="https://www.ruangguru.com/blog/matematika-kelas-12-mengenal-ilmu-tertua-dalam-matematika-geometri">Mengenal Ilmu Tertua dalam Matematika: Geometri!</a> </strong></p>
<p style="text-align: justify;">Kalau muda kan jadi lebih produktif, punya waktu yang panjang, dan otomatis bisa membangun Indonesia lebih baik lagi. Beban penduduk usia tua juga bisa lebih terbantu <em>nih</em>. Apalagi kalau penduduk usia muda juga pada cerdas teknologi. Wuih bakal berjaya Indonesia. Makanya ayo belajar yang rajin ya teman-teman!</p>
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<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/youtube.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/youtube.png?height=60" type="image/png">
<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">
<source srcset="https://cdn-web-2.ruangguru.com/static/tiktok.png?height=60" type="image/png">
<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>