​
ean13

Generate a random EAN-13 barcode. 
{"type": "ean13"}

// '5803352818140', '4142935337533'

​
ean8

Generate a random EAN-8 barcode. 
{"type": "ean8"}

// '30272446', '00484527'

​
isbn10

Generate a random ISBN-10 compliant string. 
{"type": "isbn10"}

// '4250151735', '8395066937'

​
isbn13

Generate a random ISBN-13 compliant string. 
{"type": "isbn13"}

// '9786881116078', '9785625528412'