shift$

Remove first value.

Alternatives: shift, shift$.
Similar: push, pop, shift, unshift.

function shift$(x)
// x: an array (updated)

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

var x = [1, 2, 3];
array.shift$(x);
// → [ 2, 3 ]

x;
// → [ 2, 3 ]

var x = [1, 2, 3, 4];
array.shift$(x);
// → [ 2, 3, 4 ]

References

• Array.prototype.shift: MDN web docs