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**Using XOR Operations **
function lonelyinteger(a) {
// Write your code here
let lonelyInteger = 0;
for (let e of a) {
lonelyInteger ^= e;
}
return lonelyInteger;
}
`
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Lonely Integer
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JAVASCRIPT
**Using XOR Operations ** function lonelyinteger(a) { // Write your code here let lonelyInteger = 0; for (let e of a) { lonelyInteger ^= e; } return lonelyInteger; } `