JSFiddle - React, Tailwind, and code Playground

HTML

<div data-role="collapsible">
  <h2></h2>
</div>

JavaScript

var mycars = new Array();
mycars[0] = "Saab";
mycars[1] = "Volvo";
mycars[2] = "BMW";

jQuery(function(){
    var idx = 0;
    jQuery.each(mycars, function(){
        jQuery("div h2:eq("+idx+")")
            .text(this);
        if(idx<mycars.length-1) jQuery('div')
            .last()
            .after('<div data-role="collapsible"><h2></h2></div>');
        idx++;
    })
});