dropWhileRight (original) (raw)

Discard values from right, while a test passes.

Alternatives: drop, dropRight, dropWhile, dropWhileRight.
Similar: take, drop.

function dropWhileRight(x, ft) // x: an array // ft: test function (v, i, x)

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

var x = [1, 2, 3, 4, 5]; xarray.dropWhileRight(x, v => v >= 3); // → [ 1, 2 ]

xarray.dropWhileRight(x, v => v >= 4); // → [ 1, 2, 3 ]

References

• Data.List.dropWhile() : Haskell
• Array.slice() : MDN Web Docs