A, web front end:
What is the web?
is the web page, the application is based on B / S
B: Browser Browser
S: Server server
web composed of?
Browser: in place of the user server sends a request to the
server: receiving a user request and response
protocol: specification of how data is packaged in the network transmission.
HTTP (HyperText transfer protocal): Hypertext Transfer Protocol
web server
Action :
receiving a user response to the request and the left web
store web information
includes security
web browser
Product :
the Apache
Tomcat
IIS
Nginx
Role :
Instead of the user sends a request to the server
as a response data interpretation engines, presenting a user interface to a
Mainstream browser product :
Divided according to the browser core engine
- Microsoft IE
2.Google chrome
3.Mozilla FireFox
4.Apple Safari
5.Apple Safari
Browser engine:
Rendering: parsing HTML, CSS to control page rendering
JS engine: Briefing page script
front-end development technologies
HTML, CSS, JavaScript
Two, HTML Overview
2.1HTML Introduction
What is HTML?
HyperText Markup language
HTML
role: writing page structure
mark
Also called tag, is mainly used to mark pages of content, in order to achieve the page layout and operational JS
2.2HTML how to behave in the computer
All pages or .html files in the computer. htm file storage.
Development tools:
1. Notepad
2.Editplus PyCharm
3.Sublime WebStorm VSCode Atom ...
Run the tool:
Chrome browser
FireFox browser
debugging method: F12 open the page source.
Finally, I recommend a push in the front-end learning exchange group 685 910 553 Advanced ( front-end information-sharing ), no matter which direction you are on Earth,
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