What does href=javascript:{} do?

Question

What is the reason for using javascript:{} in the code below. Is it similar to href="javascript:" or href="javascript:void(0)"?

<a href="javascript:{}">This is an example</a>

Answer 1

Let hyperlink look like a link but didn't link anything.

<a href="javascript:{}">This is an example</a>

if you remove href attribute, that a tag will be normal text.