altitude

Use in browser:

<script src="https://cdn.jsdelivr.net/npm/altitude@latest"></script>

Import in Node.js:

const al = require('altitude');

or

import * as al from 'altitude';

Example

import * as al from 'altitude';

const intervals = [
    [10, 20], [30, 40], [50, 60], [70, 80], [90, 100]
]

r = al()
  .data(intervals).data()

console.log(r)