I am not a big believer in measuring a developer's skill based on 60 minutes of coding challenges. Most of the time those problems are designed in ...
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function uniq(str){
var y =[]
for(let char of str){
if(y.includes(char)){
return false;
}
y.push(char);
}
return true;
}
Here I'm using only one data structure, please let me know if i'm wrong
Good luck! 👍🏻
Thank you @alex