# JavaScriptSegmenter

> **Class** in `langchain_community`

📖 [View in docs](https://reference.langchain.com/python/langchain-community/document_loaders/parsers/language/javascript/JavaScriptSegmenter)

Code segmenter for JavaScript.

## Signature

```python
JavaScriptSegmenter(
    self,
    code: str,
)
```

## Extends

- `CodeSegmenter`

## Constructors

```python
__init__(
    self,
    code: str,
)
```

| Name | Type |
|------|------|
| `code` | `str` |


## Properties

- `source_lines`

## Methods

- [`is_valid()`](https://reference.langchain.com/python/langchain-community/document_loaders/parsers/language/javascript/JavaScriptSegmenter/is_valid)
- [`extract_functions_classes()`](https://reference.langchain.com/python/langchain-community/document_loaders/parsers/language/javascript/JavaScriptSegmenter/extract_functions_classes)
- [`simplify_code()`](https://reference.langchain.com/python/langchain-community/document_loaders/parsers/language/javascript/JavaScriptSegmenter/simplify_code)

---

[View source on GitHub](https://github.com/langchain-ai/langchain-community/blob/a6a6079511ac8a5c1293337f88096b8641562e77/libs/community/langchain_community/document_loaders/parsers/language/javascript.py#L8)