JSFiddle - React, Tailwind, and code Playground
HTML
<div id="wrapper">
</div>
CSS
#wrapper{
background-color: red;
width: 100px;
height: 100px;
}
JavaScript
var obj = {
t: 0
};
$(obj).animate({
t: 100 //I tried obj.t & t as well
}, {
duration: 1000,
easing: 'linear',
step: function(now) {
$("#wrapper").outerHTML = "rtest";
}
});