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mjmeilahn/compareStrings.js

Last active March 15, 2023 18:14
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JS: Comparing Strings
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compareStrings.js
// Compare TWO strings and return TRUE if the 2nd String
// only requires one change to match the original string.
// Otherwise return FALSE.
const compareStrings = (orig, diff) => {
let count = 0
diff.split('').map(char => {
const match = orig.split('').find(i => i === char)
if (match !== undefined) {
count += 1
}
})
return (count === (orig.length - 1)) ? true : false
}
console.log(compareStrings('make', 'rake')) // true
console.log(compareStrings('make', 'mke')) // true
console.log(compareStrings('make', 'ake')) // true
console.log(compareStrings('make', 'ekam')) // false
console.log(compareStrings('make', 'make')) // false
console.log(compareStrings('make', 'rare')) // false
console.log(compareStrings('make', 'ke')) // false
console.log(compareStrings('make', 'ma')) // false
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