### Import Haversine Distance

Source: https://github.com/dcousens/haversine-distance/blob/main/README.md

Demonstrates how to import the haversine-distance function using both CommonJS and ES Module syntax.

```javascript
const haversine = require('haversine-distance')
// or
import haversine from 'haversine-distance'
```

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

### Usage with Alternative Coordinate Keys

Source: https://github.com/dcousens/haversine-distance/blob/main/README.md

Illustrates the flexibility of the haversine function by accepting coordinate objects with alternative keys such as 'lat', 'lng', and 'lon'. This allows for mixed usage and easier integration with different data sources.

```javascript
const a = { lat: 37.8136, lng: 144.9631 }
const b = { lat: 33.8650, lon: 151.2094 }

console.log(haversine(a, b)) // 714504.18 (in meters)
```

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

### Usage with Standard Lat/Lon Objects

Source: https://github.com/dcousens/haversine-distance/blob/main/README.md

Shows the basic usage of the haversine function with two objects, each containing 'latitude' and 'longitude' properties. The output is the distance in meters.

```javascript
const a = { latitude: 37.8136, longitude: 144.9631 }
const b = { latitude: 33.8650, longitude: 151.2094 }

console.log(haversine(a, b)) // 714504.18 (in meters)
```

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

### Usage with GeoJSON Coordinate Arrays

Source: https://github.com/dcousens/haversine-distance/blob/main/README.md

Demonstrates how to use the haversine function with GeoJSON-formatted coordinate arrays, where each array represents a point as [longitude, latitude]. This is useful when working with GeoJSON data directly.

```javascript
const a = [144.9631, 37.8136]
const b = [151.2094, 33.865]

console.log(haversine(a, b)) // 714504.18 (in meters)
```

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