What is the difference between web front-end development and back-end development?

The difference between web front-end development and back-end development is: front-end development is mainly responsible for the front-end display interface that users can see, and back-end development is mainly responsible for logical function modules that are invisible to users. Front-end development and back-end development require different technologies. Front-end development requires mastering technologies such as html, css, and js, while back-end development requires mastering technologies such as php, java, and jsp.

What is Web front-end development?

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Web front-end, as the name suggests, is used to make the front-end page of the web; That is, in web applications, users can see and touch things. Including the structure of the web page, the visual appearance of the web, and the implementation of interaction at the web level.

What is web backend development?

The Web backend is more responsible for the service technology implementation of the product, including business logic, data storage and processing, message queue processing, etc. And product server interface implementation, including interfaces with the front end, third-party interfaces, internal interfaces of the service system, etc. Back-end development mainly involves interacting with the database to process corresponding business logic.

The difference between web front-end development and back-end development is:

1. Different display methods

Web front-end development mainly focuses on the front-end display interface that users can see.

Web back-end development mainly focuses on logic functions and other modules, which are invisible to users.

2. The technologies used are different

Technologies required for web front-end development:

● Proficient in front-end development technology (HTML5, JS, JSON, ( Have a deep understanding, be proficient in a front-end framework (commonly used front-end frameworks Vuejs, AngularJS, React, Bootstrap, QUICK UI, mobile terminals include: Frozen UI, weUI, SUI, MUI, AUI), understand its principles (there are many frameworks, choose two Three mainstream frameworks, proficiency and in-depth understanding are required);
● Good at Web performance optimization, accessibility, good experience in SEO, etc.; Understand the concepts of separation of presentation layer and data layer, Web semantics (these It is also a very useful bonus when looking for a job);
●●Understand the front-end security mechanism, familiar with the HTTP protocol and browser caching strategies;
●●Familiar with the source code implementation of common JS development frameworks, (such as: prototype, jQuery , Mootools, Ext, Dojo, underscore, YUI, Kissy), be proficient in at least one.
●●Have a clear understanding of common browser compatibility issues and have reliable solutions; such as IE6/7/8/9, Firefox, Safari, Chrome;
●●Have a high level of aesthetics

Technologies required for web back-end development:

● Proficient in java, php, jsp, servlet, java bean, JMS, EJB, Jdbc, Flex development, and very familiar with related tools, class libraries and frameworks Familiar with commonly used back-end frameworks such as SSM (Spring SpringMVC MyBatis) framework set, Velocity, Hibernate, iBatis, OSGI, etc., and have a deep understanding of Web development patterns (at least proficient in one set of back-end frameworks);

● Be familiar with at least one relational database, such as mysql, oracle, etc. Proficient in using common database management tools such as oracle, sqlserver, SQL Develpoer, PLSQL, MySQL Workbench, etc., and having strong database design capabilities

● Familiar with maven project configuration management tools, and familiar with application servers such as tomcat and jboss;
● Proficient in object-oriented analysis and design techniques, including design patterns, UML modeling, etc.
● ● Familiar with network programming, with experience and ability in designing and developing external API interfaces, as well as cross-platform API specification design and efficient API call design capabilities
● Familiar with some front-end knowledge

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