splice

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wolfram77 edited this page Mar 27, 2020 · 21 revisions

Removes or replaces existing values.

Alternatives: default, update.

array.splice(x, i, [n], ...vs);
// x:  an array
// i:  remove index
// n:  no. of values to remove
// vs: values to insert
// --> [removed, array]

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

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

array.splice(x, 2, 2);
// [ [ 3, 4 ], [ 1, 2, 5 ] ]

array.splice(x, 2, 2, 30, 40);
// [ [ 3, 4 ], [ 1, 2, 30, 40, 5 ] ]

references