JSFiddle - React, Tailwind, and code Playground

HTML

<div id="boo">
    <a href="#" title="help">Help</a>
</div>

<a href="#" title="help">Help</a>

CSS

a {
    color: black;
    text-decoration: none;
}

JavaScript

console.time('Time');

for (i=0; i< 10000; i++)
$("[title]").not("#boo [title]");

console.timeEnd('Time')
    
console.time('Time2');

for (i=0; i< 10000; i++)
$("[title]").not("div#boo [title]");

console.timeEnd('Time2')