splice

Removes or replaces existing values. 🏃 📼 📦 🌔 📒

iterable.splice(x, [i], [n], ...vs);
// x:  an iterable
// i:  remove index (0)
// n:  number of values to remove (rest)
// vs: values to insert

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

var x = [1, 2, 3, 4, 5];
[...iterable.splice(x, 2)];
// [ 1, 2 ]

[...iterable.splice(x, 2, 2)];
// [ 1, 2, 5 ]

[...iterable.splice(x, 2, 2, 30, 40)];
// [ 1, 2, 30, 40, 5 ]

references

• Array.prototype.splice: MDN web docs
• immutable-iterable-prototype: @azu