Update 6/30/09: Firefox 3.5 was released today. Like Safari 3.1 and newer (including Safari 4 beta), Opera 9.64 and newer and Google Chrome all support ALL CSS2.1 and CSS3 selectors. Here is a breakdown of all the browsers I’ve tested:
- Green / √ means current support.
- Orange / Δ means that the browsers have some support for the selector.
- Red / Χ means that the browser is non-compliant.
E:hover
E:focus
Matches E during certain user actions.
Δ Δ √ √ √ √ √ √ Δ Δ √ √ √ √ √ √ Χ Χ √ √ √ √ √ √
E:after
See generated content Χ Χ √ √ √ √ √ √ Χ Χ √ √ √ √ √ √
9.0
3.0
IE7 in IE8
IE8 CSS Selector Support
IE8 Supports the CSS2.1 selectors, including pseudoclasses but not pseudo elements. (See Double Colon Notation). IE8 has support for has support for Accessible Rich Internet Applications (ARIA)
To force IE8 to render your page in IE8 compliance mode, include the following meta tag:
<meta http-equiv="X-UA-Compatible" content="IE=8" />
IE7 within IE8 CSS Selector Support
The CSS selector support of IE7 within IE8 (when IE8 displayes a page in IE7 compatibility mode) is identical to IE7 as a standalone. However, the CSS properties do render differently. I will have to blog about that in a seperate entry when I get around to garnering all the differences.
IE7 within IE8 understands the IE7 star hack. Because the CSS renders differently even though the selector support is the same, it may take a bit before I figure out the best filter.
iPhone
The original version of the iPhone came with a Safari browser that did not support all CSS3 selectors. The currently active version of Safari on the iPhone does support all CSS3 selectors. The grid below has been updated to reflect that. I have kept the old version of the iPhone CSS3 support just in case you want to support "unlocked" version of the iPhone, that do not get updated as often. Personally, I assume all iphones hitting my apps support all CSS3. For more information on iPhones, see iPhone CSS Support
Safari 4 Beta CSS Selector Support
Safari 4.0 Beta was released Feb. 24, 2008. Since Safari 3.2 supported all CSS selectors, this Safari 4 part of the post may be a bit mute. Safari 4 beta also supports ARIA and for CSS effects, animation and canvas. It also seems to have many more native debugging tools native to the application (or maybe what I see is a carry over from the tools I installed in my previous version of Safari). Safari 4 is Acid 3 compliant!
IE8 Notes:
- E[attr]Does not match the attribute when the attribute value is empty or not written correctly.
IE7 within IE8 Notes:
- E[attr] Same as IE8, does not match the attribute when the attribute value is empty or not written correctly.
- E[attr~=val]Only issue is that for this selector to work, the value of the attribute is case sensitive
- E[attr|=val]IE7 has some case sensitivity issues, but generally works.
- :first-child IE7 considers a comment or a text node as a first-child, when it shouldn’t: only elements should be considered children. So, IE7 matches the first comment instead of the first child. If it sees text or a comment as the first child, it will not consider the first element as the first child.
CSS,选择器
RTX 5090要首发 性能要翻倍!三星展示GDDR7显存
三星在GTC上展示了专为下一代游戏GPU设计的GDDR7内存。
首次推出的GDDR7内存模块密度为16GB,每个模块容量为2GB。其速度预设为32 Gbps(PAM3),但也可以降至28 Gbps,以提高产量和初始阶段的整体性能和成本效益。
据三星表示,GDDR7内存的能效将提高20%,同时工作电压仅为1.1V,低于标准的1.2V。通过采用更新的封装材料和优化的电路设计,使得在高速运行时的发热量降低,GDDR7的热阻比GDDR6降低了70%。
更新动态
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