swap

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Subhajit Sahu edited this page May 19, 2020 · 21 revisions

Exchanges two values. 🏃 📼 📦 🌔

Alternatives: default, update.

array.swap(x, i, j);
// x: an array
// i: an index
// j: another index

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

var x = [1, 2, 3, 4];
array.swap(x, 0, 1);
// [ 2, 1, 3, 4 ]

array.swap(x, 0, 3);
// [ 4, 2, 3, 1 ]

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