HTML属性使用单引号是正确的吗？ [英] Is it correct to use single quotes for HTML attributes?

问题描述

最近我看到很多这样的：

Recently I've been seeing a lot of this:

<a href='http://widget-site-example.com/example.html'>
    <img src='http://widget-site-example.com/ross.jpg' alt='Ross&#39;s Widget' />
</a>

在HTML中使用单引号有效吗？

Is it valid to use single quotes in HTML? As I've highlighted above it's also problematic because you have to escape apostrophes.

推荐答案

使用单引号确实有效（< a href =http://www.w3.org/TR/html4/intro/sgmltut.html#h-3.2.2 =nofollow noreferrer> HTML 4.01，第3.2.2节）。我没有注意到这样的趋势，但也许有一些框架，强大的网站，你访问过，使用单引号报价。

It's certainly valid to use single quotes (HTML 4.01, section 3.2.2). I haven't noticed such a trend, but perhaps there's some framework that powers web sites you've visited that happens to quote using single quotes.

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