Implement queue and Stack in Js~js

Source: Internet
Author: User

In object-oriented programming, the implementation of queues and stacks (stack) method is generally provided, and for JS, we can implement the array of related operations, to implement the queue and stack functions, see the relevant introduction.

Take a look at their nature, and this nature determines their application.

Queue: is a set that supports FIFO (first-in-first-out), that is, the data that is inserted before it is first taken out!

Stack: A collection that supports last-in, first-out (LIFO), which is the data that is inserted after it is first taken out!

Two look at the implementation of the Code (JS code)

var a=New  Array (); A.unshift (1); A.unshift (2); A.unshift (3); A.unshift (4); Console.log ("FIFO") A.pop ()var a=New  Array (); A.push ( 1); A.push (2); A.push (3); A.push (4); Console.log ("LIFO") A.pop ()

Look at the results of the operation

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.