forEach

Calls a function for each value.

set.forEach(x, fn, [ths]);
// x:   a set
// fn:  called function (v, v, x)
// ths: this argument

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

var x = new Map([['a', 1], ['b', 2], ['c', -3], ['d', -4]]);
map.forEach(x, v => console.log(v));
// 1
// 2
// -3
// -4

references

• Array.prototype.forEach: MDN web docs
• array_walk: PHP
• Array.forEach: sugarjs
• foreach: @manuelstofer