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Subhajit Sahu edited this page Feb 3, 2021 · 24 revisions

Counts the number of values. 🏃 📼 📦 🌔 📒

Similar: index, indexRange, size, isEmpty.


iterable.length(x, [i], [I]);
// x: an iterable
// i: start index (0)
// I: end index (X)
const iterable = require("extra-iterable");

var x = [2, 4, 6, 8];
iterable.length(x);
// 4

iterable.length(x, 1);
// 3

iterable.length(x, 1, 3);
// 2


References

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