Write a function that takes two strings and displays, without doubles, the characters that appear in either one of the strings.
Solution
function characterOverlap(array1, array2) {
let occurrence = {};
let str = array1.concat(array2);
// find the count of each character
Array.from(str).forEach((char) => {
let currentCount = occurrence[char] || 0;
occurrence[char] = currentCount + 1;
});
// return the keys which is the individual character and join.
const result = Object.keys(occurrence);
return result.join("");
}
console.log(characterOverlap("computer", "circuitemtop"));
console.log(characterOverlap("frontend", "development"));
console.log(characterOverlap("mivrog", "gormiv"));
console.log(characterOverlap("praxet", "xetpar"));
console.log(characterOverlap("stone", "tones"));
console.log(characterOverlap("rescue", "secure"));
Result
> computer
> frontedvlpm
> mivrog
> praxet
> stone
> rescu
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