Overview of the power and future development of HTML5

W3C has given HTML 5 such a mission in the HTML 5 proposal. It will make up for the shortcomings of the previous generation of HTML. Specifically, it will realize the functions that Flash, Silverlight, and JavaFX can achieve. 51CTO recently reported on Apple’s early support for HTML5 video functions. HTML 5, this HTML rising star, will change the rules of the game for Web applications, and whether it will make these rich Web plug-ins a thing of the past. InfoWorld columnist Paul Krill wrote and discussed this.

The Promise of HTML 5

Dion Almaer, co-founder of Ajaxian.com and Mozilla development tools instructor, says that when it comes to delivering vector graphics and video to the Web, HTML 5 is a fact. It's a step too late. In HTML 5, 2D drawing technologies such as Canvas have always been valued by companies such as Apple, Google, and Mozilla (although Microsoft also appreciates some features of HTML 5, they have not yet Supports Canvas).

In HTML 5, features such as Canvas, local storage, and Web Workers allow us to do more. Ben Galbraith, another co-founder of the Ajaxian website and Mozilla development tools instructor, said that local storage allows users to continue using the Web offline, and Web Workers make it easy to perform complex operations in the next generation of Web applications, allowing some users to Long running tasks run in the background.

Google Chrome browser project manager Ian Fette said that web applications will become more interesting, they will become faster, they will provide a better user experience, and the boundaries between online web applications and desktop applications will be blurred. It's getting blurry.

Some functions of HTML 5 have been implemented

After 5 years of work, HTML 5 details were released in 2008, and some of them have been implemented in some browsers can be implemented, however the full functionality of HTML 5 will still not be completed within the next few years.

Mozilla Firefox project technical director Vlad Vukicevic said that HTML 5 supports video, and Firefox 3.5 has just added video support. Google Chrome also supports video tags, and Microsoft supports certain HTML 5 features in Internet Explorer 8. , such as local storage, AJAX navigation, and multiple DOM prototypes.

Molly E. Holzschlag, web evangelist at Opera, said Opera supports Canvas and plans to support video. Apple also supports video and audio tags in its Safari browser, as well as Canvas technology (it invented Canvas).

The side of HTML 5: Throw away those plug-ins

Almaer said that although Adobe, Microsoft, SUN (soon to be Oracle) these companies have already implemented individually in the Web Their own multimedia technology, HTML 5, may eventually take away their jobs. RedMonk analyst Michael Cote said that essentially, what HTML 5 can do is no different than what these companies are doing, and JavaFX will also be threatened. "

Ian Hickson, co-designer of the HTML 5 specifications, said that the goal of HTML 5 is to liberate the Web from those non-open rich plug-ins. They are independent providers and are not suitable for the open Web. Hickson Saying that using products from specialized companies is a risk for developing the Web, what will happen if they stop development, or start charging, like Windows did before, if our main development platform is controlled by a single vendor? It will be terrible in the hands

Firefox director Vukicevic said that Mozilla wants to remain open and ensure that technologies such as video are not in the hands of certain companies, but whether HTML 5 and Canvas can ultimately replace Flash, Silverlight and JavaFX also depend on developers. Vukicevic believes that IE8 does not support some features of HTML 5, which is a problem for developers. In view of the market share of IE browser, developers must either use Microsoft's API Provide additional development, either using technologies like Flash

Plug-in side: They are better and already implemented

Although Adobe, Microsoft and SUN. Both participated in the development of HTML 5 specifications, and they all said that their skills are necessary. HTML 5 is still a developing standard and may take 5 to 10 years to be finalized, so it is too early to make comparisons. A Microsoft spokesperson said that Silverlight still needs to exist because it includes advanced features such as a better programming model, C#, 3D capabilities and the ability to run outside the browser

Adobe development. Dave Story, vice president of tools, said that HTML 5 faces many challenges. The browser market is still fragmented and the compatibility issues between browsers are very serious. The timeline of HTML 5 shows that it may take 10 years to finally achieve HTML 5 + CSS 3. During this period, Flash will continue to develop and provide a better user experience

James Gosling, vice president of SUN and known as the father of Java, said that JavaFX is better in terms of rendering, performance and performance. HTML 5 is much better

Analyst Cote said that there is currently no immediate threat to these rich Web plug-ins. It will take many years to realize the functions in these plug-ins. He hopes that these plug-in technologies will continue to exist even after the release of HTML 5. Google's Fette agrees that HTML 5 is just a starting point, and companies like Google will introduce their own technologies, such as dragging and dropping images to the Web.

Several industry giants will face choices

Most of the companies participating in HTML 5 are either browser manufacturers or rich Web application tool developers, and few are either All except Microsoft. Almaer said that Microsoft will also be in a dilemma because of this. Microsoft has spent a lot of effort on Silverlight. The purpose of the Silverlight team is to provide enhancements to the browser. If HTML 5 is easily implemented, Silverligth will be needed. do what.

Google will also have to make certain choices. For example, their Youtube uses Flash to implement videos. HTML 5's support for videos will make them reconsider this issue. They need to make difficult choices in terms of cost and effectiveness.

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