forEach

Call a function for each value.

function forEach(x, fp)
// x:  a map
// fp: process function (v, k, x)

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