# Series.str.len

> danfo.Series.str.**len**(options) \[[source](https://github.com/opensource9ja/danfojs/blob/master/danfojs/src/core/strings.js#L324)]

| Parameters | Type   | Description                                                    | Default                                                |
| ---------- | ------ | -------------------------------------------------------------- | ------------------------------------------------------ |
| options    | Object | **inplace**: Whether to perform the operation in-place or not. | <p>{</p><p><strong>inplace</strong>: false</p><p>}</p> |

**Examples**

Returns the length (number of character) of a string, and also return the length (number of elements) of Array

{% tabs %}
{% tab title="JavaScript" %}

```javascript
const dfd = require("danfojs-node")

let data = ["dog", 5,"cat","fog","mug","animals"]
let sf = new dfd.Series(data)
sf.str.len().print()
```

{% endtab %}

{% tab title="Browser" %}

```
```

{% endtab %}
{% endtabs %}

{% tabs %}
{% tab title="Output" %}

```
╔═══╤═══╗
║ 0 │ 3 ║
╟───┼───╢
║ 1 │ 1 ║
╟───┼───╢
║ 2 │ 3 ║
╟───┼───╢
║ 3 │ 3 ║
╟───┼───╢
║ 4 │ 3 ║
╟───┼───╢
║ 5 │ 7 ║
╚═══╧═══╝
```

{% endtab %}
{% endtabs %}