@extra-array/rotate-update.min

Rotates values in array. 📦 😺 🏃 📼 🌔 📜 📰 📘

Alternatives: rotate, rotate$.
Similar: repeat, cycle, rotate, reverse.

This is part of package extra-array.

This is browserified, minified version of @extra-array/rotate-update.
It is exported as global variable array_rotate$.
CDN: unpkg, jsDelivr.

array.rotate$(x, [n]);
// x: an array (updated)
// n: rotate amount (+ve: left, -ve: right)
// → x

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

var x = [1, 2, 3, 4];
array.rotate$(x, 1);
// [ 2, 3, 4, 1 ]

x;
// [ 2, 3, 4, 1 ]

var x = [1, 2, 3, 4];
array.rotate$(x, 2);
// [ 3, 4, 1, 2 ]

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

References

• Collections.rotate: Java
• arr-rotate: @kevva