takeWhile

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Subhajit Sahu edited this page Feb 2, 2021 · 15 revisions

Keeps values from left, while a test passes. 🏃 📼 📦 🌔 📒

Alternatives: take, takeRight, takeWhile, takeWhileRight.
Similar: take, drop.

array.takeWhile(x, ft);
// x:  an array
// ft: test function (v, i, x)

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

var x = [1, 2, 3, 4, 5];
array.takeWhile(x, v => v < 3);
// [ 1, 2 ]

array.takeWhile(x, v => v < 4);
// [ 1, 2, 3 ]

references