JSFiddle - React, Tailwind, and code Playground

HTML

<select name="test">
 <option value="value 1" data-url="www.monsite.com/page1.html">value 1</option>
 <option value="value 2" data-url="www.monsite.com/page2.html">value 2</option>
 <option value="value 3" data-url="www.monsite.com/page3.html">value 3</option>
</select>

JavaScript

document.querySelector('select[name="test"]').onchange = function () {
	console.log(this.value, this.options[this.selectedIndex].dataset.url);
};