Is javascript front-end or back-end?

javascript is the front end. JavaScript is a front-end development language, often used together with HTML and CSS technologies to form front-end development; it generally interacts with the background through Ajax for data interaction. JavaScript is a network scripting language that is commonly used to add a variety of dynamic functions to web pages.

The operating environment of this tutorial: Windows 7 system, ECMAScript version 5, Dell G3 computer.

Javascript is a front-end development language, often combined with HTML and CSS technologies to form front-end development. JavaScript generally interacts with the background through ajax.

JavaScript is a client-side scripting language that is object- and event-driven and relatively safe. It is also a scripting language widely used in client-side web development. It has been widely used in web application development. It is often used to add various dynamic functions to web pages to provide users with smoother and more beautiful browsing effects, such as responding to users. various operations.

Things you can do with javascript

1. Embed dynamic text in HTML pages.

2. Respond to browser events.

3. Read and write HTML elements.

4. Verify data before it is submitted to the server.

5. Detect the visitor’s browser information. Control cookies, including creation and modification.

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

1. Different display methods

1. Front-end development mainly does what users can do See the front-end display interface.

2. Back-end development mainly focuses on modules such as logical functions, which are invisible to users.

2. Different technologies used

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

2. Back-end development Taking java as an example, the main technologies used include but are not limited to Struts spring springmvc Hibernate Http protocol Servlet Tomcat server and other technologies.

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