concat$ (original) (raw)

Append values from arrays!

Alternatives: concat, concat$.
Similar: concat, join.

function concat$(x, ...ys) // x: an array (updated!) // ys: arrays to append

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

var x = [1, 2]; var y = [3, 4]; xarray.concat$(x, y); // → [ 1, 2, 3, 4 ]

x; // → [ 1, 2, 3, 4 ]

var x = [1, 2]; xarray.concat$(x, y, y); // → [ 1, 2, 3, 4, 3, 4 ]

References

• Array.concat() : MDN Web Docs
• _.concat() : Lodash
• Array.append() : Sugar.js