# Pengenalan Javascript
Javascript merupakan bahasa pemrograman yang awalnya hanya bisa berjalan di browser. Namun belakangan, javascript juga bisa jalan di server, sehingga popularitas javascript meningkat dengan drastis. Javascript bisa digunakan untuk membangun frontend web, API backend, frontend mobile, desktop, dan iot.
Untuk tahap awal, kita akan belajar javascript yang berjalan di browser. Ada tiga cara untuk menulis kode javascript di HTML, yaitu : Inline, Embed dan external.
## Inline
Kode javascript ditempel langsung pada properti HTML.
```markup
```
## Embed
Kode javascript ditulis langsung sebagai tag element \ di HTML.
```markup
Javascript
Internal Javascript
```
Kode di atas akan menampilkan tulisan "Internal Javascript" di browser. Sementara kode javascript akan menampilkan log "embed javascript" di console browser. Untuk melihat console browser, tampilkan developer tools dan klik tab console.
## External
Kode javascript ditulis di file terpisah dan dipanggil melalui link.
{% tabs %}
{% tab title="HTML" %}
{% code title="index.html" %}
```markup
Javascript
External Javascript
```
{% endcode %}
{% endtab %}
{% tab title="Javascript" %}
{% code title="index.js" %}
```javascript
console.log("external javascript")
```
{% endcode %}
{% endtab %}
{% endtabs %}
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