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那就抛个砖，我可能会这么写：<span class="nt"><b></span>今日开奖：<span class="nt"></b><img </span alt="Html标签内不写任何内容，是否符合web语义化？" > <span class="na">src=</span><span class="s">"image.png"</span> <span class="na">alt=</span><span class="s">"双色球"</span><span class="nt">/></span>
一般来说都会写上内容，再用text-indent来隐藏，个人见解
且不考虑web标准是如何定义的。写上内容是为了让搜索引擎能探知内容，增加其在页面中的比重；以及让视障人士可以通过屏幕阅读器读取到内容。如果仅是处于实现的目的，那不需要加上内容；至于是否符合web语义化，那没有意义。 语义化，图标的语义化是什么？没有专用的标签吧？那么这个图标标签一般都是空的咯。
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