Queue

Instructions:

• Create a queue data structure. The queue should be a class with methods 'add' and 'remove'. Adding to the queue should store an element until it is removed

Examples:

const q = new Queue();
q.add(1);
q.remove(); // returns 1;

Repl.it:

• queue

Code:

class Queue {
  constructor() {
    this.data = [];
  }
  add(record) {
    this.data.unshift(record);
  }
  remove() {
    return this.data.pop();
  }
}