我知道,如果我想把图像变成一个可点击的链接,我可以做如下工作:
<a href="http://twitter.com/username"><img src="icons/twitter.png" /></a>
但是,我更喜欢使用特别安全局的背景形象,以便我能够有一个 h子:
<a class="twitter" href="http://twitter.com/username"></a>
# css
.twitter{display:block; width:16px; height:16px; background:url("twitter.png")}
除非我确信,建立没有任何内容的固定联系是完全有效的。 与FF一样, Chrome使它受到罚款,但我不相信其他人是一样的。
我只能将一些案文放在链接中,并把它与<条码>文本中:-99p
这种做法是有效的,但如果你在那里做一些事情,并使用像这样的东西,那是最好的。
font-size: 0;
躲避。 这样,如果某人没有特别安全局(例如,屏幕阅读器),他仍然能够了解有关联系的内容。
<>的一条伟大的文章
It is not OK at all, since it breaks fundamental accessibility principles. There is no way to specify alternative text for a background image, the same way you can and should specify it using an alt attribute in an img tag for a content image. See WCAG 2.0 Guideline 1.1.
如果你想改变有关 mo变的形象,则有CSS和Java式的图像。
这完全有效,但如果你想要的话,你可以在<条码>和>上放置空白空间;nbsp;
使用和复制;作为案文,你是好的。
在标识上加权。 或许我们最近在SOS 8进行了一些无障碍测试,发现“之声”不会通向空线。 至少必须有一个没有突破的空间。 是否应当把它看作是一种 iOS,我们并不肯定。
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