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Editor to share with you what the basic usage of html is, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's learn about it!

Hypertext markup language (Hyper Text Markup Language), an application under the standard general markup language.

HTML is not a programming language, but a markup language (markup language), which is necessary for web page making.

Common WEB development tool: hbuilder/webstorm/vs code/eclpise

(this article uses hbuilder for learning)

Tag: the content enclosed in the left and right angle brackets is the tag. Single label and double label. Double tags have start and end tags.

The closing tag will be appended with a "/"

Title label

Paragraph label

Picture label

Container label

Link label

Unordered list

Ordered list

Difference:

That is, the difference between marking content with dots and serial numbers, even if it is no longer distinguished here, can be modified in the web page.

Form form label

Action: which server to submit the form data to (the address of the server)

Method:get/post

The difference between get and post: get will put the content submitted by the form directly in the requested URL address, which is efficient and insecure. Post will not display the form data on the url, but will place it on the requested body.

Search / normal requests will use get

POST is needed for more private and secure content such as login / registration, and post is also used when uploading files.

There are many types of input tags

Type= "

Text (text input)

Password (password)

Radio: check box, note that if you select the same item, the name values of multiple input input tags must be the same.

Checkbox: check box. If you select the same item, the name values of multiple input input tags must be the same.

Color: enter colors (less)

Date: time tag (less used)

Select > option

Textarea: long text input tags

Concept:

Cascading style sheet (English full name: Cascading Style Sheets) is a computer language used to represent file styles such as HTML (an application of standard general markup language) or XML (a subset of standard general markup language).

Common usage:

Use on attributes

Use on the label

Common selectors:

Element selector: element name

Class selector:. + class name

ID selector: # + id name

Referencing css files

There will be a priority situation here:

Priority of style attribute within element > id > class > element > default browser style > inherited style

The more complex the selector, the higher the priority.

Note:! Important, increase the priority of styles to the highest

Color: text color

Font-size: the size of the text

Font-family: text fonts, try to use boldface, Microsoft Yahi, Song style, fonts available to ordinary users

Font-weight: font weight, 100-900. the specific weight is determined according to the thickness of the font file itself

Text-align: typesetting of text, left,center,right

Line-height: row height, height between rows

Text-shadow: text shadow

Box-size: setting up the box model

Width: width

Height: height

Padding: inside margin

Margin: outer margin

Border: border

Box-shadow: box shadow

Display: sets whether the box is a block-level element, a row-level element, or an elastic element

Background: sets the background, background image, background color of the element

The above is all the content of the article "what is the basic usage of html". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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