JavaScript: Find the first not repeated character
JavaScript Function: Exercise-23 with Solution
Write a JavaScript function to find the first not repeated character.
Sample arguments : 'abacddbec'
Expected output : 'e'
Pictorial Presentation:

Sample Solution: -
HTML Code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>find the first not repeated character.</title>
</head>
<body>
</body>
</html>
JavaScript Code:
function find_FirstNotRepeatedChar(str) {
var arra1 = str.split('');
var result = '';
var ctr = 0;
for (var x = 0; x < arra1.length; x++) {
ctr = 0;
for (var y = 0; y < arra1.length; y++)
{
if (arra1[x] === arra1[y]) {
ctr+= 1;
}
}
if (ctr < 2) {
result = arra1[x];
break;
}
}
return result;
}
console.log(find_FirstNotRepeatedChar('abacddbec'));
Sample Output:
e
Flowchart:

Live Demo:
See the Pen JavaScript - Find the first not repeated character-function-ex- 23 by w3resource (@w3resource) on CodePen.
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Previous: Write a JavaScript function that accepts two arguments, a string and a letter and the function will count the number of occurrences of the specified letter within the string.
Next: Write a JavaScript function to apply Bubble Sort algorithm.
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