"HTML" "Theoretical learning" 1. Basic theory

Html:hypertext Markup Language: Hypertext Identity Language, currently the latest version is HTML5.0

The basic structure of the HTML document consists of three tags responsible for organizing:

Defines the character encoding of the document, generally using <meta> tags in the header definition, characters commonly used character encoding includes Simplified Chinese (gb2312), Chinese Traditional (BIG5), and Universal character encoding (UTF-8). How to use: <meta charset = "gb2312-18" >

tags in html

Document structure Tags:

Text formatting Tags: <title>,

<blockquoto> (identification of long reference text)

Character Format Tags: <i> (reference text, italic), <blink> (identifies flashing text ... Looks useless? )

<big>, <small>, <sup> (superscript), <sub> (subscript), <cite> (citation)

List Tags: <ul>, <ol>, <li>, <dl> (definition list), <dt> (list items), <dd> (Explanation of list items)

Link Tags: Define a hyperlink, <a> define an anchor point (inside the document)

Multimedia Tags: , <embed> (embedded multimedia), <object> (define multimedia)

Table Tags: <table>, <caption>, <th>, <tr>, <td>, <thead>, <tbody>, <tfoot>,

<col> (columns), <colgroup> (column group)

Form Labels: <form> define form structure, <input>, <textarea>, <select> (drop-down list), <option> (drop-down list select item), <o ptgroup> (option group, similar items merged in one group)

<button>, <fieldset> (fields in form), <legend> (title of the field)

Attributes in HTML

Basic properties: Class, ID, style

Language properties: lang, dir (text direction)

Keyboard Properties: accesskey (keyboard shortcuts for accessing an element)

Content properties: Alt (replacement text for an element), title (hint text), Longdesc (large segment description information)

DateTime (contains the time and date of the content)

HTML5 Foundation

Many new features have been added compared to HTML4,HTML5

Document type declaration for HTML5: <! DOCTYPE html>

Video: <video src = "URL" controls = "Controls" > Display this statement when video cannot be displayed </video>

Video's properties: AutoPlay = "autoplay" To set videos to play automatically

Controls = "Controls" provide a video control used by the bow user

Height, Width set the video's size and height

loop = "Loop" To set video continuous playback

preload = "preload" preload, this property is invalid when AutoPlay is used

Audio: <audio src = "URL" controls = "Controls" > show this statement when audio is not supported </audio>

Audio properties: Audio has properties similar to video--autoplay, controls, loops, preload

HTML New input type:

<input type = "Email" name = "Name" > Verify that the content entered is an email address

<input type = "URL" name = "Name" > Verify that the content entered is a URL

<input type = "number" name = "name" min = "1" max = "Ten" > Verify that the input is a number and number of digits

<input type = "range" name = "name" min = "1" max = "Ten" > Verify whether it is a numeric and numeric range

<input type = "date" name = "Name" > Date selection

<input type = "Search" > Search domain

Other elements: Hgroup: Used to group the title of a chunk of content across a page or page

Figure: Represents a separate stream content that typically represents a single unit in the document content

Figuration: Adding a caption to a figure element

(Stream: Elements used in the body of a document and app, such as Form,h1,small, etc.)

Embed: Used to insert multiple multimedia can be either video or audio

Mark: Highlight Text

Time: Represents a date and times

Canvas: Create a canvas that you can draw with JavaScript

This article is from the "Wanghaz Learning" blog, so be sure to keep this source http://10703847.blog.51cto.com/10693847/1695061

"HTML" "Theoretical learning" 1. Basic theory