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Last active August 30, 2017 20:11
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Javascript IsUnique String
Raw
gistfile1.js
function isUnique( s ) {
var chars = {}
var dup = true;
for (var i = 0; i < s.length; ++i) {
if ((s[i] in chars)) {
return false;
}
chars[s[i]] = 1;
}
return dup;
}
console.log(isUnique("abc")); // true
console.log(isUnique("abcb")); // false
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