Before the year 2000, no browser fully supported W3C recommendations, and we were all taught to write whatever non–valid markup was necessary to make our sites work in these browsers, without even considering the work of the W3C, and its goal of making si
Before the year 2000, no browser fully supported W3C recommendations, and we were all taught to write whatever non–valid markup was necessary to make our sites work in these browsers, without even considering the work of the W3C, and its goal of making si
在2000年以前，没有完全支持W3C标准的浏览器，我们做网站时并没有太关注标签是否符合规范而只要使其能在浏览器上正常运做就行了。