1. HTML
1.1 front-end:
All users can see the interface
web, pc end application exe, mobile application App end, small micro-channel program, the interface time bracelet
html5 based front end: Web, App, micro-channel applet
1.2 trio front end:
1, html5: page framework
nested structure tag => tag Society
2, css3: page layout and style
3, javaScript: page interaction logic
1.3 html knowledge
Tags: a <> wrapped beginning letter, reference numerals may be combined and legitimate characters can be parsed browser - alphanumeric -
labels semantics: <br> wrap
labels scope: scope <h1> tag is intermediate , controlled by the tag, with the default style </ h1>
tag can modify the contents of the style: <xyz style = "color: red"> 000 </ xyz>
Escape character: and the &; package, compositions can be made decimal digit, the abbreviation may be made of special composition
& gt; =>>
& lt; => <
Instructions: <> parcel from the beginning!
Document type instructions: <doctype html!>
Comment: <- Comments -!>
1.4 Label
The odd and even sub-tags: single label no content, the main function, can end ellipsis /; ditag primary contents, requires scope, end tags must be clear <a> </a>
Common Tags:
h1 of H6 ~
P
B
I
A
IMG
UL> Li
Table> TR> TH | TD
form> INPUT | Button | TextArea | SELECT> Option
span: no semantics, the display peer (without wrap)
div: no semantics, shown with a line (line feed comes)