Conditional comments work as follows:
复制代码 代码如下:
<!--[if IE 6]>Special instructions for IE 6 here<![endif]-->
[code]
Their basic structure is the same as an HTML comment (<!-- -->). Therefore all other browsers will see them as normal comments and will ignore them entirely.
IE, though, has been programmed to recognize the special <!--[if IE]> syntax, resolves the ifand parses the content of the conditional comment as if it were normal page content.
Since conditional comments use the HTML comment structure, they can only be included in HTML files, and not in CSS files. I'd have preferred to put the special styles in the CSS file, but that's impossible. You can also put an entire new <link> tag in the conditional comment referring to an extra style sheet.
Example
Below I added a lot of conditional comments that print out messages according to your IE version.
Note however, that if you use multiple Explorers on one computer, the conditional comments will render as if all these Explorer versions are the highest Explorer version available on your machine (usually Explorer 6.0).
Test
Below are a few conditional comments that reveal the IE version you're using.
According to the conditional comment this is IE
According to the conditional comment this is IE 7
According to the conditional comment this is IE lower than 9
According to the conditional comment this is IE lower or equal to 7
According to the conditional comment this is IE greater than 6
Code
The syntax I use is:
[code]
<p class="accent">
<!--[if IE]>
According to the conditional comment this is IE<br />
<![endif]-->
<!--[if IE 6]>
According to the conditional comment this is IE 6<br />
<![endif]-->
<!--[if IE 7]>
According to the conditional comment this is IE 7<br />
<![endif]-->
<!--[if IE 8]>
According to the conditional comment this is IE 8<br />
<![endif]-->
<!--[if IE 9]>
According to the conditional comment this is IE 9<br />
<![endif]-->
<!--[if gte IE 8]>
According to the conditional comment this is IE 8 or higher<br />
<![endif]-->
<!--[if lt IE 9]>
According to the conditional comment this is IE lower than 9<br />
<![endif]-->
<!--[if lte IE 7]>
According to the conditional comment this is IE lower or equal to 7<br />
<![endif]-->
<!--[if gt IE 6]>
According to the conditional comment this is IE greater than 6<br />
<![endif]-->
<!--[if !IE]> -->
According to the conditional comment this is not IE<br />
<!-- <![endif]-->
</p>
Note the special syntax:
gt: greater than
lte: less than or equal to
Also note the last one. It has a different syntax, and its contents are shown in all browsers that are not IE:
复制代码 代码如下:
<!--[if !IE]> -->
CSS hack?
Are conditional comments CSS hacks? Strictly speaking, yes, since they can serve to give special style instructions to some browsers. However, they do not rely on one browser bug to solve another one, as all true CSS hacks do. Besides, they can be used for more than CSS hacks only (though that rarely happens).
Since conditional comments are not based on a browser hack but on a deliberate feature I believe they are safe to use. Sure, other browsers could implement conditional comments, too (though as yet none have done so), but they're unlikely to react to the specific query <!--[if IE]>.
I use conditional comments, though sparingly. First I see if I can find a real CSS solution to an Explorer Windows problem. If I can't, though, I don't hesitate to use them.
Comment tag
A reader told me IE also supports the (non-standard) <comment> tag.
<p>This is <comment>not</comment> IE.</p>
This isIE.
This tag might be a replacement for the !IE conditional comment.
复制代码 代码如下:
<!--[if IE 6]>Special instructions for IE 6 here<![endif]-->
[code]
Their basic structure is the same as an HTML comment (<!-- -->). Therefore all other browsers will see them as normal comments and will ignore them entirely.
IE, though, has been programmed to recognize the special <!--[if IE]> syntax, resolves the ifand parses the content of the conditional comment as if it were normal page content.
Since conditional comments use the HTML comment structure, they can only be included in HTML files, and not in CSS files. I'd have preferred to put the special styles in the CSS file, but that's impossible. You can also put an entire new <link> tag in the conditional comment referring to an extra style sheet.
Example
Below I added a lot of conditional comments that print out messages according to your IE version.
Note however, that if you use multiple Explorers on one computer, the conditional comments will render as if all these Explorer versions are the highest Explorer version available on your machine (usually Explorer 6.0).
Test
Below are a few conditional comments that reveal the IE version you're using.
According to the conditional comment this is IE
According to the conditional comment this is IE 7
According to the conditional comment this is IE lower than 9
According to the conditional comment this is IE lower or equal to 7
According to the conditional comment this is IE greater than 6
Code
The syntax I use is:
[code]
<p class="accent">
<!--[if IE]>
According to the conditional comment this is IE<br />
<![endif]-->
<!--[if IE 6]>
According to the conditional comment this is IE 6<br />
<![endif]-->
<!--[if IE 7]>
According to the conditional comment this is IE 7<br />
<![endif]-->
<!--[if IE 8]>
According to the conditional comment this is IE 8<br />
<![endif]-->
<!--[if IE 9]>
According to the conditional comment this is IE 9<br />
<![endif]-->
<!--[if gte IE 8]>
According to the conditional comment this is IE 8 or higher<br />
<![endif]-->
<!--[if lt IE 9]>
According to the conditional comment this is IE lower than 9<br />
<![endif]-->
<!--[if lte IE 7]>
According to the conditional comment this is IE lower or equal to 7<br />
<![endif]-->
<!--[if gt IE 6]>
According to the conditional comment this is IE greater than 6<br />
<![endif]-->
<!--[if !IE]> -->
According to the conditional comment this is not IE<br />
<!-- <![endif]-->
</p>
Note the special syntax:
gt: greater than
lte: less than or equal to
Also note the last one. It has a different syntax, and its contents are shown in all browsers that are not IE:
复制代码 代码如下:
<!--[if !IE]> -->
CSS hack?
Are conditional comments CSS hacks? Strictly speaking, yes, since they can serve to give special style instructions to some browsers. However, they do not rely on one browser bug to solve another one, as all true CSS hacks do. Besides, they can be used for more than CSS hacks only (though that rarely happens).
Since conditional comments are not based on a browser hack but on a deliberate feature I believe they are safe to use. Sure, other browsers could implement conditional comments, too (though as yet none have done so), but they're unlikely to react to the specific query <!--[if IE]>.
I use conditional comments, though sparingly. First I see if I can find a real CSS solution to an Explorer Windows problem. If I can't, though, I don't hesitate to use them.
Comment tag
A reader told me IE also supports the (non-standard) <comment> tag.
<p>This is <comment>not</comment> IE.</p>
This isIE.
This tag might be a replacement for the !IE conditional comment.
广告合作:本站广告合作请联系QQ:858582 申请时备注:广告合作(否则不回)
免责声明:本站资源来自互联网收集,仅供用于学习和交流,请遵循相关法律法规,本站一切资源不代表本站立场,如有侵权、后门、不妥请联系本站删除!
免责声明:本站资源来自互联网收集,仅供用于学习和交流,请遵循相关法律法规,本站一切资源不代表本站立场,如有侵权、后门、不妥请联系本站删除!
暂无评论...
《魔兽世界》大逃杀!60人新游玩模式《强袭风暴》3月21日上线
暴雪近日发布了《魔兽世界》10.2.6 更新内容,新游玩模式《强袭风暴》即将于3月21 日在亚服上线,届时玩家将前往阿拉希高地展开一场 60 人大逃杀对战。
艾泽拉斯的冒险者已经征服了艾泽拉斯的大地及遥远的彼岸。他们在对抗世界上最致命的敌人时展现出过人的手腕,并且成功阻止终结宇宙等级的威胁。当他们在为即将于《魔兽世界》资料片《地心之战》中来袭的萨拉塔斯势力做战斗准备时,他们还需要在熟悉的阿拉希高地面对一个全新的敌人──那就是彼此。在《巨龙崛起》10.2.6 更新的《强袭风暴》中,玩家将会进入一个全新的海盗主题大逃杀式限时活动,其中包含极高的风险和史诗级的奖励。
《强袭风暴》不是普通的战场,作为一个独立于主游戏之外的活动,玩家可以用大逃杀的风格来体验《魔兽世界》,不分职业、不分装备(除了你在赛局中捡到的),光是技巧和战略的强弱之分就能决定出谁才是能坚持到最后的赢家。本次活动将会开放单人和双人模式,玩家在加入海盗主题的预赛大厅区域前,可以从强袭风暴角色画面新增好友。游玩游戏将可以累计名望轨迹,《巨龙崛起》和《魔兽世界:巫妖王之怒 经典版》的玩家都可以获得奖励。
更新日志
2024年09月08日
2024年09月08日
- 人听人爱,入耳即溶《天碟落地3《HIFI瑰宝》示范颠峰之作》[WAV+CUE/分轨][839.9MB]
- 莫扎特安魂曲舍尔琴,维也纳国家歌剧院,1958【FLAC】
- 罗西尼五部歌剧序曲班贝格佩雷亚1958年【FLAC】
- 【HIRES】李云迪-莫扎特:钢琴奏鸣曲计划-萨尔兹堡-2024-24-96FLAC分轨
- 珍娜JheenaLodwick-GettingToKnowYou(XRCD)[WAV+CUE]
- 珍纳JheenaLodwick-AllMyLoving全我所爱(XRCD)[WAV+CUE]
- JheenaLodwick-Feeling挚爱(XRCD)[WAV+CUE]
- 人听人爱,入耳即溶《天碟落地2《测机王HQ》日本母带发烧音质》[WAV+CUE/分轨][709.9MB]
- 人听人爱,入耳即溶《天碟落地1《示范碟皇》殿堂级演绎名作》[WAV+CUE/分轨][786.9MB]
- MICO刘为《观·自在行》CD[FLAC/分轨][1.3GB]
- 珍纳JheenaLodwick-SingingInTheRain(XRCD)[WAV+CUE]
- 珍纳JheenaLodwick-Feelings非常感觉2-HDCD[WAV+CUE]
- 珍纳精选JheenaLodwick-JheenaLodwickGreatest[香港版]2015[WAV+CUE]
- 谁杀死了HI-FI音乐-《涂鸦精选VOL.2》[WAV+CUE]
- Mav-Mav《美芙的祈祷》(2000)[WAV+CUE]