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JavaScript, 36 bytes s=>n=>s.replace(/./g,`$&`.repeat(n)) Try it online!
Answer
#1: Initial revision
by
Shaggy
·
2021-09-10T08:01:43Z (about 3 years ago)
# JavaScript, 36 bytes
<!-- language-all: lang-javascript -->
s=>n=>s.replace(/./g,`$&`.repeat(n))
[Try it online!](https://tio.run/##FclRCoAgDADQy0RMKIX@9SwunVIMJ1pd3@r3vRMf7KEd9VqLRBrJjm5dsa7rRpUxEBht8uKn2f9CeEFRagQpXZg0S4YEPsq9M3kF23cv)