JSFiddle - React, Tailwind, and code Playground

HTML

<div id="test"></div>

CSS

#test{
    width:200px;
    height:200px;
}
.test1{
    width:50px;
    height:50px;
    background:white;
    border:1px solid blue;
}

JavaScript

$("#test").append($("<canvas/>",{"height":100,"width":100,"class":"test1"}));

$("#test").append($("<canvas/>",{"class":"test1"}).attr({"height":100,"width":100}));