Summary of skills HTML5 programmers need to learn

This article brings you a summary of the skills that HTML5 programmers need to learn. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

There are many people participating in HTML5 training now, but many friends are not sure what they can learn. This article will take readers to see what skills a professional HTML5 programmer needs to master.

1. Development language

HTML has a development history of more than 20 years. After many version updates, the emergence of HTML5 and CSS3 is another innovation. Some people think that the skills required for front-end development are simple, just making web pages. In fact, this is not the case. HTML5 requires mastering the core language xHTML CSS JavaScript. JavaScript is one of the most difficult languages. Many programming experts do not dare to belittle themselves and claim to be proficient. Due to the differences between JavaScript and html, as well as some benefits of separate static and dynamic processing. In large companies, writing static effects and dynamic effects are often done separately by different people. Because small companies need to reduce costs, they require everyone to know as much as possible. If you want to develop into a project manager, knowing one or two back-end languages ​​is definitely the icing on the cake!

2. Browser compatibility

The current mainstream browsers on the Internet include IE6789, Firefox, Chrome, Opera, Safari, Aoyou, including domestic mainstream Sogou, Tencent TT, 360, the World, etc. From a core perspective, there are mainly IE, IE Safari, Safari, Firefox and Opera. These are common to everyone. If you have an old Internet user around you who likes to collect browsers, you can look through his hard drive and you will find dozens of them. There is. Each kernel does not parse the code exactly the same, and even the same kernel may be very different, such as IE and the Aoyou version of IE. Not to mention non-mainstream browsers, it is not easy for mainstream browsers to be fully compatible. It requires a long period of accumulation and testing, and requires front-end development engineers' love and passion for front-end development.
The current development trend of mobile Internet cannot be underestimated and will gradually occupy the main share of the Internet. The most prominent benefit of the mobile Internet is convenience and timeliness. Imagine walking somewhere with a beautiful scenery. After taking a photo, it will be automatically shared with friends. Therefore, it is urgent to make the browser on the mobile phone compatible. Now the browser on the mobile phone is also There are many and complicated, mainstream UCWEB, safari, IE, 3G portal, and the "mutilated children" of Symbian low-end machines, including some browsers that we don't know about popular foreign mobile phones. What's worse is that these browsers parse because of the hardware of the mobile phone. Different, the results obtained by each browser are completely different.

3. Hack technology

Since different browsers have different understanding of CSS parsing, the generated page effects will be different. At this time, it is necessary to target different browsers. The browser writes different CSS. This process is called CSS hacking. Although we are required to write code in accordance with standards and not write hack code, in actual work, in order to be compatible with mainstream browsers, hack code is inevitable, so this should also be a necessary skill for every front-end developer.

4. Industry Standards

Currently the most mentioned in HTML5 development is the W3C standard. This is a collection of standards that represents the development direction of the Internet and also represents an aspect of front-end development. a belief. All code written must pass 100% standard verification. Being proud of passing standard verification will effectively promote the rapid development of the Internet.

5. Development Tools

Currently the more popular one is Dreamweaver. It was once popular and has not withdrawn from the stage of history. It proves that DW still has great advantages, especially for beginners. , its powerful prompt function can help us quickly become familiar with and master the layout of web pages, but now it is more advocated to use purely handwritten code, which not only reflects excellence in skills, but also effectively avoids redundant codes generated by tools such as DW. In addition, if you master some photoshop skills, you can simply process some images even if you don't have an artist.

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