### Integrating C# and External API Data with JavaScript

Source: https://kooboo.com/zh/docs/index

This example showcases how JavaScript can interact with methods from other languages like C# and fetch data from remote APIs (e.g., Shopify) using server-side execution. It highlights Kooboo's interoperability and OpenAPI connection features.

```html
<script env="server">
    var item = k.ex.cSharpMethod(k.request.id);   // Methods from C#
    var order = k.openApi.shopifyOrder.get(k.request.id);     // Remote API
</script>
<div>
    <h2 k-content="item.name"></h2>
</div>
```

--------------------------------

### Server-Side JavaScript for Content Retrieval

Source: https://kooboo.com/zh/docs/index

This snippet demonstrates how to retrieve and display content, such as a blog list, directly from a content repository using server-side JavaScript. It leverages the `env="server"` attribute to execute JavaScript on the server and `k-for` and `k-content` directives for rendering.

```html
<script env="server">
    var bloglist = k.content.blog.all();
</script>
<div k-for="item in bloglist">
    <h2 k-content="item.title">Blog Title</h2>
    <p k-content="item.summary">Blog Summary</p>
</div>
```

--------------------------------

### Backend JavaScript Execution for Data Embedding

Source: https://kooboo.com/zh/docs/index

This code demonstrates how to define and embed data directly from the backend into the frontend using server-side JavaScript. The `env="server"` attribute ensures the script runs on the server, making the `item` variable available for frontend rendering with `k-content`.

```html
<script env="server">
var item = {name: "Hello World From Back End"};
</script>
<div k-content="item.name">title</div>
```

--------------------------------

### Rendered Output of Backend JavaScript Execution

Source: https://kooboo.com/zh/docs/index

This snippet shows the resulting HTML output after the server-side JavaScript, which defined the `item` variable, has been executed. The `k-content` directive has replaced the placeholder with the value from the server-side variable.

```html
<div>Hello World From Back End</div>
```

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