JSFiddle - React, Tailwind, and code Playground

HTML

<button>_blank</button>
<button>_random_string</button>

JavaScript

document.body.onclick = function (event) {
    var target = event.target.textContent;
    if (target.charAt('0') != '_') {
        return;
    }
    window.open(
        'https://example.org',
    target);
};