@extra-array/max-index/example.js

Finds index of largest value.

const array = require('extra-array');

var x = [1, 2, -3, -4];
array.maxIndex(x);

array.maxIndex(x, (a, b) => Math.abs(a) - Math.abs(b));

array.maxIndex(x, null, v => Math.abs(v));