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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