JSFiddle - React, Tailwind, and code Playground
HTML
<div id="div_id">
<span>some</span>
<span>random</span>
<span>values</span>
</div>
<div id="result"></div>
JavaScript
var arr = [];
$("#div_id span").each(function(index, elem){
arr.push("span" +index+ "_" + $(this).text());
});
arr.join("|");
$("#result").text(arr.join("|"));