Method spliceOne

benchmark/array_splice.cjs:23–29

(index)

class SubArray extends Array {
  spliceOne(index) {
    for (let i = index, k = i + 1, n = this.length; k < n; i += 1, k += 1) {
      this[i] = this[k];
    }
    this.pop();
    return this;
  }
}

console.log('arraySplice([1, 2, 3], 1): %j', arraySplice([ 1, 2, 3 ], 1));