<pre class="shiki github-dark shaku"><code>/** * @param {HTMLElement} el - element to be wrapped */function $(el) { // your code here return new Wrapper(el);}class Wrapper { // create constructor for the class constructor(el){ this.el = el; } css = (p,v) =&gt; { this.el.style[p] = v; // return this so that it's possible to chain further calls return this; }}</code></pre>

Simple Solution with Comments

I believe you've used jQuery before, we often chain the jQuery methods together to accomplish our goals. For example, below chained call turns button …