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test.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<<<<<<< HEAD
<script>
var findComplement = function(num) {
var num10 = num,
arr2 = num10.toString(2).split(''),
numCom;
console.log(arr2);
arr2.forEach(function (val, ind) {
if (val === '1') {
arr2[ind] = '0';
} else {
arr2[ind] = '1';
}
});
console.log(arr2);
numCom = parseInt(arr2.join(''), 2);
return numCom;
};
console.log(findComplement(5));
</script>
=======
<script>
var isHappy = function(n) {
var set = new Set(),
cur = n,
sum = 0;
while (sum !== 1) {
sum = 0;
while (cur) {
sum += Math.pow(cur % 10, 2);
cur = parseInt(cur / 10);
}
if (set.has(sum)) {
return false;
} else {
set.add(sum);
cur = sum;
}
}
return true;
};
console.log(isHappy(19));
</script>
>>>>>>> 2f3047488745eea5bde205bc5fbf51e091028aa2
</body>
</html>