JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" />
<button>Evaluate</button>
<div></div>

JavaScript

$("button").click(function() {
    var value = $("input").val(),
        log = $("div"),
        html = log.html();
    
    html += "<br />Value:" + value + translate(value);
    log.html(html);
});


function translate(value) {
    var text = "";
    
    if(value == 0) {
        text = "nula";
    } else if(num[value]) {
        text = num[value];
    } else {
        var data = [];
        while(value > 0) {
            data.push(value % 10);
            value = ~~(value / 10);
        }
        
        var length = data.length,
            idx = length;
        
        while(--idx >= 0) {
            var currentNumber = data[idx],
                currentNumberText = num[currentNumber ];
            switch(idx){
                case 0:
                    if(currentNumber != 0) {
                        text += AND + currentNumberText;
                    }
                    break;
                case 1:
                    if(currentNumber != 0) {
                        if (length - idx > 1 && (currentNumber == 1 || data[idx - 1] == 0)) {
                            text += AND;
                            if (num[currentNumber + "" + data[idx - 1]]) {
                                text += num[currentNumber + "" + data[--idx]];
                            } else {
                                text += currentNumberText + "deset";    
                            }
                        } else {
                            text += length - idx == 1 ? "" : SPACE;
                            text += currentNumberText + "deset";
                        }
                    }
                    break;
                case 2:
                    text += length - idx == 1 ? "" : SPACE;
                    if(currentNumber == 1) {
                        text += "sto";
                    } else if(currentNumber == 2) {
                        text += "dwesta";
                    } else if(currentNumber == 3) {
                        text +=...