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 = $.map($("#div_id span"), function(elem, index){
return $(elem).text();
}).join("|");
$("#result").text(arr);