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<body>
    <h3>Problem 8. Number as words</h3>
<p>Write a script that converts a number in the range [0…999] to words, corresponding to its English pronunciation.</p>
<textarea  rows="3" cols="60" id="number-as-word" placeholder="Enter number"></textarea>
<button onclick="convertNumberToWord()">Convert!</button>


<script> function convertNumberToWord() {
    var numInput = parseInt(document.getElementById('number-as-word').value);
    var hundreds = Math.floor(numInput /100);
    var tens = (Math.floor(numInput/10)) % 10;
    var digits = numInput % 10;
    var result = '';
    if(hundreds !==0) {
       if(tens !== 0 || digits !== 0){
     result = getDigitToWord(hundreds) +  ' ' + 'hundred and' + ' ' ;
    } else if (tens === 0 && digits === 0){
result = getDigitToWord(hundreds) +  ' ' + 'hundred';
    }
    } if (tens !== 0 && tens !==1) {
        result += getDigitToWord(tens *10) + ' ' + getDigitToWord(digits);
    } if (tens === 1){
        result += getDigitToWord(numInput %100);
    } if (tens === 0){
        result += getDigitToWord(digits);
    }

    document.getElementById('number-as-word').value = result;
}
function getDigitToWord(digitInput) {
    switch (digitInput) {
 case 0: return '';
        case 1: return 'one';
        case 2: return 'two';
        case 3: return 'three';
        case 4: return 'four';
        case 5: return 'five';
        case 6: return 'six';
        case 7: return 'seven';
        case 8: return 'eight';
        case 9: return 'nine';
        case 10: return 'ten';
        case 11: return 'eleven';
        case 12: return 'twelve';
        case 13: return 'thirteen';
        case 14: return 'fourteen';
        case 15: return 'fifteen';
        case 16: return 'sixteen';
        case 17: return 'seventeen';
        case 18: return 'eighteen';
        case 19: return 'nineteen';
        case 20: return 'twenty';
        case 30: return 'thirty';
        case 40: return 'forty';
        case 50: return 'fifty';
        case 60: return 'sixty';
        case 70: return 'seventy';
        case 80: return 'eighty';
        case 90: return 'ninety';
    }
    }</script>
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