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unshift

Subhajit Sahu edited this page May 19, 2020 · 22 revisions

Adds values to the start. 🏃 📼 📦 🌔 📒

Alternatives: [unshift], [unshift$].
Similar: [push], [pop], [shift], [unshift].

array.unshift(x, ...vs);
// x:  an array
// vs: values to add
// --> array
const array = require('extra-array');

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

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

references

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