An <a> element does not behave like a link, if you leave the href attribute off. For example, the css rules for the :link pseudo-class do not apply. Also, in so

An <a> element does not behave like a link, if you leave the href attribute off. For example, the css rules for the :link pseudo-class do not apply. Also, in some cases it can be helpful, to have a no-js fallback.