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length
Subhajit Sahu edited this page May 3, 2023
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20 revisions
Find the length of an array.
Similar: index, indexRange, size, isEmpty.
function length(x, i, I)
// x: an array
// i: begin ±index [0]
// I: end ±index (exclusive) [X]const xarray = require('extra-array');
var x = [2, 4, 6, 8];
xarray.length(x);
// → 4
xarray.length(x, 1);
// → 3
xarray.length(x, 1, 3);
// → 2