


Collection of commonly used tools for WEB front-end designers_Basic knowledge
The following are some commonly used plug-ins, tools, software, etc. that I compiled and collected for front-end development. They are equivalent to making a small backup for your computer. As for how to use them, I will summarize them in the future. For now, you can just google them yourself. .
【FireFox plug-in】
1. Firefbug —— Page debugging tool
2. YSlow —— Web page rating tool
3. Pixel Perfect —— Comparison between HTML and design draft
4. CSS Usage —— CSS usage efficiency optimization tool
5. Page Speed —— Quickly optimize web pages similar to YSlow
6. Measureit —— Real-time measurement tool
7. Fiddler —— A powerful tool for local adjustment of page styles
8. DNS flusher —— DNS refresh tool
9. Colorzilla —— Real-time color selection tool
10. Web Developer —— Check the relevant information of the web page
11. FireMobileSimulator —— Simulate mobile phone
12. JavaScript Dubugger —— JavaScript Troubleshooting
13. Greasemonkey —— Script applet
14. Firecookie —— Cookie
【Chrome plug-in】
1. Awesome Screenshot —— Web page screenshot
2. user-Agent Switcher —— Switch display device
3. web Developer —— Check the relevant information of the web page
4. Window Resizer —— Change resolution
5. YSlow —— Web page rating tool
6. Browser compatibility detection
[Commonly used URL tools for front-end development]
Web color matching
http://www.peise.net/tools/web/
http://www.peise.net/tools/lilun/lilunxuexi.html
http://www.colorschemer.com/online.html
http://www.workwithcolor.com/hsl-color-picker-01.htm
CSS3 Generator
http://www.flickyard.in/autocss3/
http://www.colorzilla.com/gradient-editor/
http://ie.microsoft.com/testdrive/Graphics/CSSGradientBackgroundMaker/
CSS3 Button Generator
http://www.wordpressthemeshock.com/css-drop-shadow/
http://css3buttongenerator.com/
CSS Image Composer
http://cn.spritegen.website-performance.org/
CSS code inspection
ajax loading image
CSS hack table
http://centricle.com/ref/css/filters/
Browser Market
http://tongji.baidu.com/data/browser
Test browser support for CSS3
http://kimblim.dk/css-tests/selectors/
http://www.findmebyip.com/litmus
Detect user experience
CSS Template Generator
http://blog.html.it/layoutgala/
http://www.intensivstation.ch/en/templates/
CSS Compression
Common CSS fonts
http://www.google.com/webfonts#
CSS3 Transform
http://www.useragentman.com/IETransformsTranslator/
CSS3 Bezier Curve
http://cubic-bezier.com/#.47,.73,1,.41
YUI CSS grid tool
http://developer.yahoo.com/yui/grids/builder/
JavaScript code optimization and beautification
Code Demo
http://ikeepu.com/bar/20143449
Prototype design tool
https://gomockingbird.com/mockingbird/#
[Local and commonly used software and IDE editors]
1. MarkMan —— Designer, a must for front-end engineers
2. VIM —— Super fast editor
3. Adobe PhotoShop CS6 —— Exclusively for image cutting
4. IE Tester —— Check page compatibility
5. Fiddler2 —— Detection request
6. Beyond Commpar —— File comparison
7. GIT —— Distributed version control
8. Opera Mobile Emulator —— Mobile browser
9. SimpLESS —— LESS
Congratulations on mastering most of the above tools, you are not far from becoming an excellent front-end designer~~

The main difference between Python and JavaScript is the type system and application scenarios. 1. Python uses dynamic types, suitable for scientific computing and data analysis. 2. JavaScript adopts weak types and is widely used in front-end and full-stack development. The two have their own advantages in asynchronous programming and performance optimization, and should be decided according to project requirements when choosing.

Whether to choose Python or JavaScript depends on the project type: 1) Choose Python for data science and automation tasks; 2) Choose JavaScript for front-end and full-stack development. Python is favored for its powerful library in data processing and automation, while JavaScript is indispensable for its advantages in web interaction and full-stack development.

Python and JavaScript each have their own advantages, and the choice depends on project needs and personal preferences. 1. Python is easy to learn, with concise syntax, suitable for data science and back-end development, but has a slow execution speed. 2. JavaScript is everywhere in front-end development and has strong asynchronous programming capabilities. Node.js makes it suitable for full-stack development, but the syntax may be complex and error-prone.

JavaScriptisnotbuiltonCorC ;it'saninterpretedlanguagethatrunsonenginesoftenwritteninC .1)JavaScriptwasdesignedasalightweight,interpretedlanguageforwebbrowsers.2)EnginesevolvedfromsimpleinterpreterstoJITcompilers,typicallyinC ,improvingperformance.

JavaScript can be used for front-end and back-end development. The front-end enhances the user experience through DOM operations, and the back-end handles server tasks through Node.js. 1. Front-end example: Change the content of the web page text. 2. Backend example: Create a Node.js server.

Choosing Python or JavaScript should be based on career development, learning curve and ecosystem: 1) Career development: Python is suitable for data science and back-end development, while JavaScript is suitable for front-end and full-stack development. 2) Learning curve: Python syntax is concise and suitable for beginners; JavaScript syntax is flexible. 3) Ecosystem: Python has rich scientific computing libraries, and JavaScript has a powerful front-end framework.

The power of the JavaScript framework lies in simplifying development, improving user experience and application performance. When choosing a framework, consider: 1. Project size and complexity, 2. Team experience, 3. Ecosystem and community support.

Introduction I know you may find it strange, what exactly does JavaScript, C and browser have to do? They seem to be unrelated, but in fact, they play a very important role in modern web development. Today we will discuss the close connection between these three. Through this article, you will learn how JavaScript runs in the browser, the role of C in the browser engine, and how they work together to drive rendering and interaction of web pages. We all know the relationship between JavaScript and browser. JavaScript is the core language of front-end development. It runs directly in the browser, making web pages vivid and interesting. Have you ever wondered why JavaScr


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