JSFiddle - React, Tailwind, and code Playground

HTML

<div id="prefix_test"></div>

JavaScript

var jQuery = $ = (function ($q) {
    var insertIdRx = /^#/;
    return function (arg1) {
        if (typeof arg1 === 'string' && arg1[0] === '#') {
            arguments[0] = arg1.replace(insertIdRx, '#prefix_');
        }
        
        return $q.apply($q, arguments);
    };
})(jQuery);

console.log($('#test').length);