What's the difference between the front end and the back end?

The difference between front-end development and back-end development lies in:

First, the display methods are different.

1, the front-end development mainly makes the front-end display interface that users can see.

2. The back-end development mainly does modules such as logic functions, which are invisible to users.

Second, the technology used is different.

The technologies used in 1. front-end development include but are not limited to html5, css3, javascript, jquery, Bootstrap, Node.js, AngularJs, etc.

2. Taking java as an example, back-end development mainly uses technologies including but not limited to Struts Spring MVC Hibernate HTTP Servlet Tomcat server.

Extended data:

Company's requirements for front-end and back-end personnel recruitment:

Web front end:

1, proficient in HTML, able to write HTML structures with reasonable semantics, clear structure and easy maintenance;

2, proficient in CSS, able to restore visual design, compatible with mainstream browsers recognized by the industry;

3. Be familiar with JavaScript, understand the basic content of ECMAScript, and master the js framework of 1 2, such as JQuery；;

4. Have a clear understanding of common browser compatibility problems and reliable solutions;

5. Have certain performance requirements, understand Yahoo's performance optimization suggestions, and effectively implement them in the project;

Web backend:

1, proficient in jsp, servlet, javabean, JMS, EJB, Jdbc, Flex development, or very familiar with related tools, class libraries and frameworks, such as Velocity, Spring, Hibernate, iBatis, OSGI, etc., and have a deep understanding of Web development mode;

2. Practice using common database systems such as oracle, sqlserver and mysql. , and has strong database design ability;

3. Familiar with maven project configuration management tools, tomcat, jboss and other application servers, and experience in load tuning under high concurrent processing is preferred;

4. Proficient in object-oriented analysis and design techniques, including design patterns and UML modeling;

5. Familiar with network programming, have the experience and ability to design and develop external API interfaces, and have the ability of cross-platform API specification design and API efficient call design;

Baidu encyclopedia: front-end development