JSFiddle - React, Tailwind, and code Playground
HTML
<div><marker name="Store A" address="1 ABC street" state="A" phone="1234567" />
<marker name="Store B" address="2 ABC street" state="B" phone="1234567" />
<marker name="Store C" address="3 ABC street" state="A" phone="1234567" /></div>
JavaScript
var ctry="A";
$("div").find("marker[state=" + ctry + "]").each(function(){
var $this=$(this);
var $name=$this.attr("name");
var $tel=$this.attr("phone");
var $country=$this.attr("address");
console.log("name:"+$name+",phone"+$tel);
});