A
Size: a a a
A
IS
const sliceSize = 4;
const input = "1234123412341234";
const output = [...input].map((ch, id, src) => id < src.length - sliceSize ? '*' : ch).join('');
r
A
IS
const sliceSize = 4;
const input = "1234123412341234";
const output = input.replace(/./g, (ch, id) => id < input.length - sliceSize ? '*': ch);
MU
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АМ
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ПВ
IS