JSFiddle - React, Tailwind, and code Playground

by emepyc

HTML

<!DOCTYPE html>
<html>
    <head>
    </head>
    <body>
        <span id="myspan" data-value="s1,s2">Hi</span>
        <span id="s1" data-value="From1">1</span>
        <span id="s2" data-value="From2">2</span>            
    </body>
</html>

JavaScript

alert($("#myspan").attr("data-value"));
var ids  = $("#myspan").attr("data-value").split(",");
var vals = jQuery.map(ids, function(e,i) {return $('#'+e).attr("data-value")});
alert(vals.join(":"));