JSFiddle - React, Tailwind, and code Playground
HTML
<div id="box">
<div class="tip">this is a tip.</div>
</div>JavaScript
/*var model {
}
var tip = $('#box');
var tipArrow = model.test || (function () {
var t = tip.find('.tip');
model.test = t;
})();*/
console.log('arrow');