CourseElementary54278

Course Introduction："HTML5 From Beginner to Mastery Tutorial" introduces in detail that HTML5 has added a lot of new content based on HTML, with more functions and more dazzling effects.

CourseElementary27088

Course Introduction："Javascript Basics Tutorial" will take you to quickly learn the basic knowledge of javascript and explain it through examples, so that you can better understand the javascript scripting language.

CourseElementary30954

Course Introduction：This tutorial will start from the basics and does not require you to have any programming knowledge. The "HTML Tutorial" contains our knowledge of HTML5, truly achieving a comprehensive learning of HTML.

CourseElementary24240

Course Introduction："HTML5 Quick Self-Study Tutorial" is suitable for zero-based entry learning of HTML5. HTML5 is the fifth version of HTML development. With the support of browser technology, it has also begun to be widely used. H5 will become the new standard for WEB development. This course will provide readers with Explain all the core features of HTML5.

CourseElementary90813

Course Introduction："JavaScript Elementary Tutorial" is an introductory course to JavaScript, designed to let everyone know and understand the common knowledge of JavaScript.

Course Introduction：IPv4 and IPv6 are versions of the Internet Protocol, with IPv6 being an enhanced version of IPv4. This article will introduce to you what IPv4 and IPv6 are, so that you can have a simple understanding of the IPv4 and IPv6 protocols. I hope it will be helpful to you.

2018-12-01 comment 010004

Course Introduction：The ipv4 address is generally 192.168.1.86; ipv4 refers to Internet Protocol version 4, also known as the fourth version of the Internet Communication Protocol. It is the fourth revised version in the development process of the Internet Protocol and the first widely deployed version of this protocol.

2023-02-27 comment 021778

Course Introduction：Differences: 1. IPv4 is a binary number expressed in decimals, with 32 bits; IPv6 is a binary number expressed in hexadecimal, with 128 bits. 2. IPv4 data packets require 576 bytes and the header length is 20 bytes; IPv6 data packets require 1280 bytes and the header length is 40 bytes. 3. IPv4 address (A) record, IPv6 address (AAAA) record. 4. IPv4 has built-in IPSec support, while IPv4 is optional. 5. Pv6 provides authentication and encryption, but IPv4 does not.

2018-12-01 comment 0391444

Course Introduction：This article mainly introduces the function of regular expression verification of IPV4 addresses, and analyzes the principles and specific implementation techniques of IPV4 address verification in the form of examples. Friends in need can refer to the following

2017-01-22 comment 01842