JSFiddle - React, Tailwind, and code Playground
HTML
<a href="http://monSite/link1.html" onClick="change(this);">link1</a>
JavaScript
window.change = function(link){
link.href = '#';
}
<a href="http://monSite/link1.html" onClick="change(this);">link1</a>
window.change = function(link){
link.href = '#';
}