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css css: page beautification and layout control Concept: Cascading Style Sheets Cascade: multiple styles can act on the same html element and take effect at the same time Benefits: Powerful: Separating content presentation from style control Reduce coupling and decoupling Make division of labor and cooperation easier Improve developmen ...

catalogue 1. css and js are two ways to realize div right shift 1000px animation? 2. What are the differences among visibility, display and opacity? 3. Single line truncation css?   4. flex layout? 5，flex: 1？ 6. What is the difference between transition, transform and translate? 7. How to draw a 0.5px border? 8. Talk about BFC? ...

catalogue 1. Descendant selector 2. Sub element selector 3. Union selector 4. Pseudo class selector 4.1 link pseudo class 4.2: ficus pseudo class selector In CSS, selectors are divided into basic selectors and conforming selectors according to selector types. Compound selectors are formed by combining basic selectors based on basic sele ...

HTML summary 1, Introduction to HTML 1.HTML HTML(HyperText Markup Language), a hypertext markup language, uses various tags to represent the structure of documents and information identifying hyperlinks. 2.HTML document html documents contain tags and text content, and html documents are also called web pages. 2, HTML basic structure <!DOC ...

10-26 Elastic box (display: flex) An elastic box consists of a flex container and a flex item. Elastic containers are defined as elastic containers by setting the value of the display property to flex or inline flex. The elastic container contains one or more elastic child elements. Note: the outside of the elastic container and the inside ...

Part I: introduction to HTML framework 1. What & how to learn & what tools to use (1) What is HTML?(2) How to learn HTML?(3) Tools used: 2. Basic structure of HTML3. Specification of HTML file4. Basic template of HTML Part II: labels 1. Use style and attribute of label (1) Usage style of label:(2) Label properties:(3) Bl ...

CSS page beautification and layout control concept Cascading Style Sheets cascading style sheets Cascade: multiple styles can act on the same html element and take effect at the same time benefit PowerfulSeparating content presentation from style control Reduce coupling and decouplingMake division of labor and cooperation easierImprove ...

1, Brief introduction to components A container is an element designed to contain page elements to a reasonable maximum width according to the size of the user's screen. This is useful for use with other UI elements, such as useful grids or menus, to limit their width to a reasonable display size. Advantage: containers are designed t ...

Which of the following does not improve the efficiency of dom element operation: Correct answer: D uses the event agent when handling the click event of the list sub element When inserting a large number of DOM elements, use innerHTML instead of building elements one by one Use DocumentFragment instead of multiple appendChild operations Use add ...

catalogue 1, Purpose 1. Want to: Learn front-end knowledge 2. Think: take notes. Next time, you don't need to watch the video. You can quickly recall by looking at the notes directly. 2, Reference 1.SIKI College: I refer to this video for practice 1.w3school official website: used as a dictionary 1. Rookie tutorial: use as a dictionary ...