What is the use of empty links in html

What is an empty link?

is a link without a target endpoint.

The format is as follows:

<a href="#">显示内容</a>

(Recommended tutorial: html introductory tutorial)

Function:

1. Set as homepage

<a href="#"
onclick="this.style.behavior=&#39;url(#default#homepage)&#39;;this.sethomepage(&#39;https://www.jb51.net&#39;)">设为首页</a>

2. Add favorites

<a href="#"
onclick="javascript:window.external.addfavorite(&#39;https://www.jb51.net&#39;,&#39;搜狐&#39;)">加入收藏夹</a>

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