In HTML, you can add borders or dotted borders to most tags. So this time we will add dotted border effect styles to several different tags. We can flexibly grasp and apply the concept of dotted borders based on the following cases.
htmlCommon tags
div标签 span ul li table tr td
Instances using CSSAttributesWords
border width height
Key introduction to CSS for dotted lines
border is the border Properties, if you want to achieve the object border effect, you need to set the border width, border color, and border style (solid or dotted line)
border:1px dashed #F00 This is to set the border style width to 1px, dotted line, and dashed line to red.
Example description
We set the same width, same height, and border effect for the above labels.
Complete HTML code:
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>html边框虚线演示</title> <style> .bor{border:1px dashed #F00;width:300px;height:60px;margin-top:10px} span{display:block}/*css注释说明:让span形成块*/ </style> </head> <body> <div class="bor">div盒子</div> <span class="bor">span盒子</span> <ul class="bor"> <li>ul li列表</li> <li>ul li列表</li> </ul> <table class="bor"> <tr> <td>表格</td> <td>表格2</td> </tr> <tr> <td>数据</td> <td>数据2</td> </tr> </table> </body> </html>
The above example sets the same style for different tags in html, including the same border dotted line.
# I believe you have mastered the methods after reading these cases. For more exciting information, please pay attention to other related articles on the php Chinese website!
Related reading:
Steps to implement the effect of creating dynamic switches with Css3
How to implement the dotted line style of CSS
Steps to optimize HTML5 forms with CSS3
The above is the detailed content of Implementation steps of html border dotted line. For more information, please follow other related articles on the PHP Chinese website!

JavaScript is widely used in websites, mobile applications, desktop applications and server-side programming. 1) In website development, JavaScript operates DOM together with HTML and CSS to achieve dynamic effects and supports frameworks such as jQuery and React. 2) Through ReactNative and Ionic, JavaScript is used to develop cross-platform mobile applications. 3) The Electron framework enables JavaScript to build desktop applications. 4) Node.js allows JavaScript to run on the server side and supports high concurrent requests.

Python is more suitable for data science and automation, while JavaScript is more suitable for front-end and full-stack development. 1. Python performs well in data science and machine learning, using libraries such as NumPy and Pandas for data processing and modeling. 2. Python is concise and efficient in automation and scripting. 3. JavaScript is indispensable in front-end development and is used to build dynamic web pages and single-page applications. 4. JavaScript plays a role in back-end development through Node.js and supports full-stack development.

C and C play a vital role in the JavaScript engine, mainly used to implement interpreters and JIT compilers. 1) C is used to parse JavaScript source code and generate an abstract syntax tree. 2) C is responsible for generating and executing bytecode. 3) C implements the JIT compiler, optimizes and compiles hot-spot code at runtime, and significantly improves the execution efficiency of JavaScript.

JavaScript's application in the real world includes front-end and back-end development. 1) Display front-end applications by building a TODO list application, involving DOM operations and event processing. 2) Build RESTfulAPI through Node.js and Express to demonstrate back-end applications.

The main uses of JavaScript in web development include client interaction, form verification and asynchronous communication. 1) Dynamic content update and user interaction through DOM operations; 2) Client verification is carried out before the user submits data to improve the user experience; 3) Refreshless communication with the server is achieved through AJAX technology.

Understanding how JavaScript engine works internally is important to developers because it helps write more efficient code and understand performance bottlenecks and optimization strategies. 1) The engine's workflow includes three stages: parsing, compiling and execution; 2) During the execution process, the engine will perform dynamic optimization, such as inline cache and hidden classes; 3) Best practices include avoiding global variables, optimizing loops, using const and lets, and avoiding excessive use of closures.

Python is more suitable for beginners, with a smooth learning curve and concise syntax; JavaScript is suitable for front-end development, with a steep learning curve and flexible syntax. 1. Python syntax is intuitive and suitable for data science and back-end development. 2. JavaScript is flexible and widely used in front-end and server-side programming.

Python and JavaScript have their own advantages and disadvantages in terms of community, libraries and resources. 1) The Python community is friendly and suitable for beginners, but the front-end development resources are not as rich as JavaScript. 2) Python is powerful in data science and machine learning libraries, while JavaScript is better in front-end development libraries and frameworks. 3) Both have rich learning resources, but Python is suitable for starting with official documents, while JavaScript is better with MDNWebDocs. The choice should be based on project needs and personal interests.


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