shift

Removes first value.

Alternatives: default, update.
Similar: push, pop, shift, unshift.

array.shift(x);
// x: an array
// --> [value, array]

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

var x = [1, 2, 3];
array.shift(x);
// [1, [2, 3]]

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

references

• Array.prototype.shift(): MDN web docs
• immutable-array-prototype: @azu