// Tests vec.js, in its main functionality---.elem() const vec = require('../utils/vec'); coord1 = [-22, 23]; coord2 = [25, 25]; console.log('add', vec.add(coord1, coord2)); console.log('sub', vec.sub(coord1, coord2)); console.log('min', vec.elem(coord1, coord2, (a,b) => Math.min(a,b)));