# Methods

Muninn includes some helper methods. A list of them is below.

* number
* float
* boolean
* array
* email
* url
* uppercase
* lowercase
* length

### Syntax

```javascript
{
    "key": {
        "selector": ".selector",
        "methods": ["method", "method"]
    }
}
```

or use this shortcut

```javascript
{
    "key": ".selector | method | method"
}
```

### number

Converts the value to an integer.

```javascript
{
    "key": ".selector | number"
}
```

### float

Converts the value to a float number.

```javascript
{
    "key": ".selector | float"
}
```

### boolean

Converts the value to a boolean.

```javascript
{
    "key": ".selector | boolean"
}
```

### array

Collects the values of all elements of the given selector in an array.

```javascript
{
    "key": ".selector | array"
}
```

### email

Parses email inside a value.

```javascript
{
    "key": ".selector | email"
}
```

### url

Parses url inside a value.

```javascript
{
    "key": ".selector | url"
}
```

### uppercase

Converts text to uppercase letters.

```javascript
{
    "key": ".selector | uppercase"
}
```

### lowercase

Converts text to lowercase letters.

```javascript
{
    "key": ".selector | lowercase"
}
```

### length

Returns the length of the string data.

```javascript
{
    "key": ".selector | length"
}
```

Returns the length of the array data.

```javascript
{
    "key": ".selector | array | length"
}
```