JSFiddle - React, Tailwind, and code Playground
by marsone
HTML
<select id="list" onchange="changeimage()">
<option value="http://lorempixel.com/400/200/sports">List option 1</option>
<option value="http://lorempixel.com/400/200/fashion">List option 2</option>
</select>
<img id="img_change" src="" />
JavaScript
function changeimage() {
var image = document.getElementById("img_change");
var dropdownlist = document.getElementById("list");
image.src = dropdownlist.value;
}