indexOf - nodef/extra-array GitHub Wiki
Find first index of a value.
Alternatives: indexOf, lastIndexOf. Similar: search, indexOf, isValue, includes.
function indexOf(x, v, i)
// x: an array
// v: search value
// i: begin index [0]
const xarray = require('extra-array');
var x = [1, 2, 3, 2, 5];
xarray.indexOf(x, 2);
// → 1 ^
var x = [1, 2, 3, 2, 5];
xarray.indexOf(x, 2, 2);
// → 3 ^