JSFiddle - React, Tailwind, and code Playground
by Kai
JavaScript
function doSpoilers (text) {
return text.replace('[spoiler]', '<div class="spoiler">')
.replace('[/spoiler]', '</div>');
}
alert(doSpoilers('[spoiler]omgomgomgomgomg alksdjalksjdasd asdasdasd http://ww.google.com/[/spoiler]'));