Published
Edited
Nov 14, 2019
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invert('hello, this is grant.')
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function invert(string) {
let chars = string.split('')
let inverted = chars.map(char => {
if (char.match(/[a-z]/gi)) {
let lowercase = char.toLowerCase();
let index = letters.indexOf(lowercase)
let r = reversed[index]
if (char !== lowercase) r = r.toUpperCase()
return r
} else {
return char
}
})
return inverted.join('')
}
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