keys

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Subhajit Sahu edited this page Feb 3, 2021 · 15 revisions

Lists all indices. 🏃 📼 📦 🌔 📒

Similar: keys, values, entries.

iterable.keys(x);
// x: an iterable

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

var x = [1, 2, 3];
[...iterable.keys(x)];
// [ 0, 1, 2 ]

references

Array.prototype.keys: MDN web docs