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cipher = (msg, rot) ->
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msg.replace /([a-z|A-Z])/g, ($1) ->
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c = $1.charCodeAt(0)
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String.fromCharCode \
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if c >= 97
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then (c + rot + 26 - 97) % 26 + 97
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else (c + rot + 26 - 65) % 26 + 65
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|
|
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console.log cipher "Hello World", 2
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console.log cipher "azAz %^&*()", 3
|