JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="multiply" type="service/math" src="path/to/service">
<link rel="substract" type="service/math" src="path/to/service">
    <link rel="other" type="somethingelse/other" src="path/to/service">

JavaScript

var linksWithService = document.querySelectorAll("link[type^=service]");

Array.prototype.forEach.call(linksWithService,function(el){
    document.body.innerHTML+=" "+el.rel;
});