Find First Unique
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// Find first non-repeating character in a string
function findUnique(str) {
if (!str) return false;
var unique;
for (var i = 0; i < str.length; i++) {
unique = true;
for (var j = 0; j < str.length; j++) {
if (str[i].toLowerCase() == str[j].toLowerCase() && i != j) unique = false;
}
if (unique) return str[i];
}
return false;
}
console.log(
findUnique("racecar")
)
JavaScript
INFO