JSFiddle - React, Tailwind, and code Playground
HTML
<ul>
<li><a href="mylink1">mytext1</a></li>
<li><a href="mylink2">mytext2</a></li>
<li><a href="mylink3">mytext3</a></li>
</ul>
JavaScript
$('li a').each(function(){
$(this).attr('href',"javascript:myFunc("+$(this).attr('href')+")");
})