While validation isn't a complete testament to code quality, it does help to make sure that your code follows recommended standards and can show you errors in your markup, CSS, and JavaScript.

——有效性并不是代码质量的全部测量标准，但它能保证你的代码按照标准写，也能帮助你发现在书写过程中的错误。

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Second, SUP 2.0 now lets developers use Web standard languages including HTML5, Javascript and CSS to create apps.

FORBES: Hey Web Developers! SAP's Sybase Unwired Platform Wants YOU

Now that HTML (and Javascript and CSS) has finally evolved to the point where some basic rich media tasks can be accomplished (e.g. image slide shows), by all means.

FORBES: Three Startup Lessons From Adobe Flash Platform

While there are many advantages to being built around HTML, JavaScript, and CSS, those tools don't excite game developers who need direct access to advanced graphics hardware to render animations smoothly.

ENGADGET: webOS SDK bemoaned by iPhone developer as Palm seeks game API engineers