number to words jquery code example

Example: Number To words jq

//HTML Start
<input type="number" id="number" placeholder="Number...">
  <h5 class="result"></h5>
//HTML End

$("input#number").keyup(function(){
  var number = $(this).val();
  var words = numberToWords(number);
  $(".ntw .result").text(words);
});

function numberToWords(number) {
    var digit = ['zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine'];
    var elevenSeries = ['ten', 'eleven', 'twelve', 'thirteen', 'fourteen', 'fifteen', 'sixteen', 'seventeen', 'eighteen', 'nineteen'];
    var countingByTens = ['twenty', 'thirty', 'forty', 'fifty', 'sixty', 'seventy', 'eighty', 'ninety'];
    var shortScale = ['', 'thousand', 'million', 'billion', 'trillion'];
    number = number.toString();
    number = number.replace(/[\, ]/g, '');
    if (number != parseFloat(number)) return 'not a number';
    var x = number.indexOf('.');
    if (x == -1) x = number.length;
    if (x > 15) return 'too big';
    var n = number.split('');
    var str = '';
    var sk = 0;
    for (var i = 0; i < x; i++) {
        if ((x - i) % 3 == 2) {
            if (n[i] == '1') {
                str += elevenSeries[Number(n[i + 1])] + ' ';
                i++;
                sk = 1;
            } else if (n[i] != 0) {
                str += countingByTens[n[i] - 2] + ' ';
                sk = 1;
            }
        } else if (n[i] != 0) {
            str += digit[n[i]] + ' ';
            if ((x - i) % 3 == 0) str += 'hundred ';
            sk = 1;
        }
        if ((x - i) % 3 == 1) {
            if (sk) str += shortScale[(x - i - 1) / 3] + ' ';
            sk = 0;
        }
    }
    if (x != number.length) {
        var y = number.length;
        str += 'point ';
        for (var i = x + 1; i < y; i++) str += digit[n[i]] + ' ';
    }
    str = str.replace(/\number+/g, ' ');
    str = str.replace(/\s+/g, '-').toLowerCase();
    return "" + str.trim() + ".";
}