splice$

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Subhajit Sahu edited this page May 3, 2023 · 20 revisions

Remove or replace existing values!

Alternatives: splice, splice$.

function splice$(x, i, n, ...vs)
// x:  an array (updated!)
// i:  remove index
// n:  number of values to remove [rest]
// vs: values to insert

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

var x = [1, 2, 3, 4, 5];
xarray.splice$(x, 2);
// → [ 1, 2 ]

x;
// → [ 1, 2 ]

var x = [1, 2, 3, 4, 5];
xarray.splice$(x, 2, 2);
// → [ 1, 2, 5 ]

var x = [1, 2, 3, 4, 5];
xarray.splice$(x, 2, 2, 30, 40);
// → [ 1, 2, 30, 40, 5 ]

References