JSFiddle - React, Tailwind, and code Playground

HTML

<a href="http://www.mywebsite.com/Scripts/xx.pdf">link1</a>
<a href="http://www.mywebsite.com/Scripts/xx1.pdf">link2</a>

CSS

* {margin: 0px; padding: 0px;}
body {background-color: rgb(248,248,248)}
#nav {
    list-style:none;
}
#nav li {
    float:left;
    display:block;
    width:100px;
    position:relative;
    z-index:500;
}
/* this is the parent menu */
 #nav li a {
    display:block;
    padding:15px;
    color:#000;
    border: 1px solid transparent;
}
#nav li a:hover {
    border: 1px solid black;
    
}
 #nav a.open {
    color:#fff;
    background-color: pink;
}
 #nav ul {
    position:absolute;
    display:none;
    padding:0;
    list-style:none;
}
#nav ul li {
    width:100px;
    float:left;
}
 #nav ul a {
    display:block;
    height:15px;
    padding: 15px;
    color:#666;
}
#nav ul a:hover {
    text-decoration:underline;
}
.active{
    background-color: pink;
    
}

JavaScript

function RemoveBaseUrl(url) {
/*
 * Replace base URL in given string, if it exists, and return the result.
 *
 * e.g. "http://localhost:8000/api/v1/blah/" becomes "/api/v1/blah/"
 *      "/api/v1/blah/" stays "/api/v1/blah/"
 */
var baseUrlPattern = /^https?:\/\/[a-z\:0-9.]+/;
var result = "";

var match = baseUrlPattern.exec(url);
if (match != null) {
    result = match[0];
}

if (result.length > 0) {
    url = url.replace(result, "");
}

return url;
}

$('a').attr('href',function(i,o){
    return RemoveBaseUrl(o) ;
})