文件名称:CSS_Design
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我们大部分人都有深刻体验,每当主流浏览器版本的升级,我们刚建立的网站就可能变得过时,我们就需要升级或者重新建造一遍网站。例如1996-1999年典型的\"浏览器大战\",为了兼容Netscape和IE,网站不得不为这两种浏览器写不同的代码。同样的,每当新的网络技术和交互设备的出现,我们也需要制作一个新版本来支持这种新技术或新设备,例如支持手机上网的WAP技术。类似的问题举不胜举:网站代码臃肿、繁杂浪费了我们大量的带宽;针对某种浏览器的DHTML特效,屏蔽了部分潜在的客户;不易用的代码,残障人士无法浏览网站等等。这是一种恶性循环,是一种巨大的浪费。
如何解决这些问题呢?有识之士早已开始思考,需要建立一种普遍认同的标准来结束这种无序和混乱。商业公司(Netscape、Microsoft等)也终于认识到统一标准的好处,因此在W3C(W3C.org)的组织下,网站标准开始被建立(1998年2月10日发布XML1.0为标志),并在网站标准组织(webstandards.org)的督促下推广执行。-most of us have a profound experience, whenever the mainstream version of the browser upgrade We have just established on the site may become outdated, we need to upgrade or new construction site again. 1996 -1999, for example, a typical "browser wars", in order to compatible Netscape and IE, This website had to write two different browser code. Similarly, whenever a new network technology and the emergence of interactive equipment. We also need to produce a new edition had originally supported this new technology or new equipment, such as support for Internet phone WAP technology. Similar problems abound : Site code bloated, complicated we wasted a lot of bandwidth; Revenue browser DHTML effects, shielding some of the potential customers; The code is not easy, disabled people un
如何解决这些问题呢?有识之士早已开始思考,需要建立一种普遍认同的标准来结束这种无序和混乱。商业公司(Netscape、Microsoft等)也终于认识到统一标准的好处,因此在W3C(W3C.org)的组织下,网站标准开始被建立(1998年2月10日发布XML1.0为标志),并在网站标准组织(webstandards.org)的督促下推广执行。-most of us have a profound experience, whenever the mainstream version of the browser upgrade We have just established on the site may become outdated, we need to upgrade or new construction site again. 1996 -1999, for example, a typical "browser wars", in order to compatible Netscape and IE, This website had to write two different browser code. Similarly, whenever a new network technology and the emergence of interactive equipment. We also need to produce a new edition had originally supported this new technology or new equipment, such as support for Internet phone WAP technology. Similar problems abound : Site code bloated, complicated we wasted a lot of bandwidth; Revenue browser DHTML effects, shielding some of the potential customers; The code is not easy, disabled people un
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