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

window.myFunc = function(s) { alert(s); }

    $("ul li a").each(function(i, a) {
        a = $(a);
        a.attr('href', 'javascript:myFunc("' + a.attr('href') + '")');
    });