입력 <input type="text" id="input" value="" />원 <button onclick="change()">변환</button><br />
출력 <input type="text" id="output" />원
<script>
var number = '영일이삼사오육칠팔구';
var unit = {'십':10, '백':100, '천':1000, '만':10000, '억':100000000, '조':1000000000000};
function change() {
var input = document.getElementById('input').value;
var result = tmpResult = num = 0;
for (var i = 0; i < input.length; i++) {
var token = input[i];
var check = number.indexOf(input[i]);
if (check == -1) { // 단위인 경우
if ('만억조'.indexOf(token) == -1) {
tmpResult += (num != 0 ? num : 1) * unit[token];
} else {
tmpResult += num;
result += (tmpResult != 0 ? tmpResult : 1) * unit[token];
tmpResult = 0;
}
num = 0;
} else {
num = check;
}
}
document.getElementById('output').value = result + tmpResult + num;
}
</script>
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