function upDigit(n) { var fraction = ['角', '分']; var digit = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖']; var unit = [ ['元', '万', '亿'], ['', '拾', '佰', '仟'] ]; var head = n < 0? '欠': ''; n = Math.abs(n); var s = ''; for (var i = 0; i < fractio…