# Untitled

سوال 3
unknown
javascript
2 years ago
2.7 kB
1
Indexable
Never
```// Define an array of Persian digits
const persianDigits = [
'صفر',
'یک',
'دو',
'سه',
'چهار',
'پنج',
'شش',
'هفت',
'هشت',
'نه',
];

// Define an array of Persian tens
const persianTens = [
'ده',
'بیست',
'سی',
'چهل',
'پنجاه',
'شصت',
'هفتاد',
'هشتاد',
'نود',
];

// Define an array of Persian hundreds
const persianHundreds = [
'صد',
'دویست',
'سیصد',
'چهارصد',
'پانصد',
'ششصد',
'هفتصد',
'هشتصد',
'نهصد',
];

// Define a function to convert a single digit to Persian
function digitToPersian(digit) {
return persianDigits[digit];
}

// Define a function to convert a two-digit number to Persian
function twoDigitsToPersian(number) {
// If the number is less than 10, use the digitToPersian function
if (number < 10) {
return digitToPersian(number);
}
// If the number is a multiple of 10, use the persianTens array
else if (number % 10 == 0) {
return persianTens[number / 10 - 1];
}
// Otherwise, use the persianTens and digitToPersian functions with a و in between
else {
let ten = Math.floor(number / 10);
let one = number % 10;
return persianTens[ten - 1] + ' و ' + digitToPersian(one);
}
}

// Define a function to convert a three-digit number to Persian
function threeDigitsToPersian(number) {
// If the number is less than 100, use the twoDigitsToPersian function
if (number < 100) {
return twoDigitsToPersian(number);
}
// If the number is a multiple of 100, use the persianHundreds array
else if (number % 100 == 0) {
return persianHundreds[number / 100 - 1];
}
// Otherwise, use the persianHundreds and twoDigitsToPersia functions with a و in between
else {
let hundred = Math.floor(number / 100);
let rest = number % 100;
return persianHundreds[hundred - 1] + ' و ' + twoDigitsToPersian(rest);
}
}

// Define a function to convert any four-digit number to Persian
function fourDigitsToPersia(number) {
// If the number is less than or equal to zero or greater than or equal to ten thousand ,return an error message
if (number <= 0 || number >= 10000) {
return 'Invalid input. Please enter a positive four-digit number.';
}
// If the number is less than one thousand ,use the threeDigitsToPersia function
else if (number < 1000) {
return threeDigitsToPersian(number);
}
// If the number is equal to one thousand ,return هزار
else if (number == 1000) {
return ' هزار ';
}
}
console.log(fourDigitsToPersia(100));```