JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/dot-luv/jquery-ui.css">
<span id='element' data-type='foo' data-sort='bar'></span>

JavaScript

var arr = $("span").get(0).attributes, attributes = [];
for(var i = 0; i < arr.length; i++) {
    if(arr[i].name.indexOf("data-") == 0)
    attributes.push(arr[i].name);
}
alert(attributes);