题解 | 无重复数组
无重复数组
https://www.nowcoder.com/practice/d2fa3632268b41df9bc417b74802ad8c
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
</head>
<body>
<script>
const _getUniqueNums = (start, end, n) => {
// 补全代码
let arr = [];
while (arr.length < n) {
let num = Math.floor(Math.random() * (end - start + 1) + start);
if (arr.indexOf(num) === -1) {
arr.push(num);
}
}
return arr;
};
console.log(_getUniqueNums(1, 10, 5));
</script>
</body>
</html>
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