JSFiddle - React, Tailwind, and code Playground

JavaScript

$.each(["http://www.test.com", "/test", "test아"], function(i, url) {
    url += "?" + "k=" + encodeURIComponent("ㄱ") + "&j=" + encodeURIComponent("ガ");
    console.log('original: ' + url);

    var div = document.createElement("div");
    div.innerHTML = '<a href="' + url + '"/>';
    url = div.childNodes[0].href;

    console.log('url: ' + decodeURI(url));
    console.log('url: ' + url);
    console.log('url: ' + encodeURI(decodeURI(url)));
});