JSFiddle - React, Tailwind, and code Playground

HTML

<span id="ss" abcjQuery12344353452343452345="12"></span>

JavaScript

function getVal(element,name){
       var pattern=new RegExp(name,'i');
       return $.grep($(element)[0].attributes, function(n){
           if (n.name.match(pattern)) return n.nodeValue;
       })[0].nodeValue;
    }

alert(getVal($('#ss'),'abc'));