Determine if a string is full of unique characters

Mohammad alshraideh answered on August 30, 2022 Popularity 8/10 Helpfulness 4/10

answer Determine if a string is full of unique characters

Determine if a string is full of unique characters

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function is_unique(str) {
  var obj = {};
  for (var z = 0; z < str.length; ++z) {
    var ch = str[z];
    if (obj[ch]) return false;
    obj[ch] = true;
  }
  return true;
}

console.log(is_unique("abcdefgh")); // true
console.log(is_unique("aa")); // false

Popularity 8/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript string unique

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Contributed on Aug 30 2022

Mohammad alshraideh

0 Answers Avg Quality 2/10

Determine if a string is full of unique characters

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Determine if a string is full of unique characters

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