JSFiddle - React, Tailwind, and code Playground

JavaScript

alert(decode("0x595a"));

function decode(number) {
    var string = "";
    number = number.slice(2);
    var length = number.length;
    for (var i = 0; i < length;) {
        var code = number.slice(i, i += 2);
        string += String.fromCharCode(parseInt(code, 16));
    }
    return string;
}