资讯
The free 3 W3C MarkUp Validation Service and 4 W3C CSS Validation Service ensure that your pages meet the exact specifications established by the W3C. The MarkUp Validation Service checks for ...
The World Wide Web Consortium (W3C) HTML Working Group has published a draft of the HTML 5 specification, a major revision to the markup language that powers the Web. The specification is being ...
The W3C and WHATWG are splitting editing duties on their respective HTML specifications. While some believe that the change will lead to two forks of HTML, WHATWG editor Ian Hickson maintains that any ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果