dropWhile (original) (raw)

Discard values from left, while a test passes.

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

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

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

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

xarray.dropWhile(x, v => v < 4); // → [ 4, 5 ]

References

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