Created
December 26, 2021 10:25
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| function maskify(credit_card){ | |
| let credit_card_string = credit_card.toString() | |
| let card_length = credit_card_string.length | |
| if(card_length < 6){ | |
| return credit_card_string | |
| } | |
| let card_characters_array = credit_card.split('') | |
| let masked = card_characters_array.map( (char,index) =>{ | |
| if(index === 0 || index > card_length -4){ | |
| return char | |
| } | |
| if(Number.isInteger(parseInt(char))){ | |
| return '#' | |
| } | |
| return char | |
| }) | |
| return masked.join('') | |
| } | |
| console.log(maskify('3454534A')) |
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