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Long time no see, I miss you very much! hello everyone! I'm breeze Yangyang. Today's article is to talk to you about CSS selectors in detail. I hope you can gain something after reading them. Then my hard codewords are worth it. If you have the greatest motivation to lose and like your creation, I might as well continue to support you. The nex ...

1. Sprites In order to effectively reduce the number of requests received and sent by the server and improve the loading speed of the page, CSS wizard technology appears Core principle: integrate some small background images in the web page into a large picture, so that the server can only request one time 1.1 use of Sprite diagram Us ...

There are two storage methods in H5 1,window.sessionStorage session storage: Save in memory. The lifecycle is to close the browser window. That is, the data is destroyed when the window is closed. Data can be shared in the same window. 2,window.localStorage local storage: It may be saved in the browser memory or on the hard disk. Perm ...

//Environment: 1. No environmental requirements text 1, Demand analysis: 1. Registration function Realize the creation of new user information: account, password, nickname and email Account number: cannot be repeated, cannot be less than 6 digits, pure number Password: no less than 6 digits Nickname: the maximum length is 6 characters a ...

Because the company dating applet has a chat module, it needs to realize a function like qq bubble. If you can use "point nine" in the development of Android platform: What "point nine" is: it is a special picture developed by android. The picture in this format is generated by ADT's own editing tool, and uses the method o ...

Introduction to document flow What is "document flow"? Simply put, it refers to the order in which elements appear on the page. It can be divided into "normal document flow" and "out of document flow". 1. Normal document flow Normal document flow, also known as "normal document flow" or "norma ...

catalogue 1, Text properties 1. Alignment attribute: align 2. font label Font attribute: face 5. Superscript: sup and subscript: sub 7. Strikethrough s, italic i, bold b 10. No line break label: nobr 2, Picture properties 1. width and height 2. Borders: border 3. Horizontal spacing: hspace 4. Vertical spacing: vspace 5. Picture sus ...

backgroundWelcome the Winter Olympics and look forward to the future together! 2022 Winter Olympics will begin soon. This paper uses three JS + react technology stack realizes winter and Olympic elements, and makes a 3D page full of interesting and commemorative Winter Olympic theme. The knowledge Points involved in this paper mainly include To ...

What is directive Both Angular and Vue have the concept of Directive. We usually translate Directive into "instruction". In computer technology, an instruction is a single CPU operation defined by the instruction set architecture. In a broader sense, "instruction" can be a representation of any element of an executable prog ...

HTML table and form page structure Write in front: tables and forms are two special page structures. Tables are used to display data, and forms are used to input and transfer information. Both of them play an important role in the information display and collection of web pages. 1. Forms Table related labels: labeldescribe< tabl ...