"9 or Under" is wrong ，but I can't fix it.

Challenge [Comparison with the Greater Than Or Equal To Operator](https://www.freecodecamp.cn/challenges/comparison-with-the-greater-than-or-equal-to-operator#?solution=function%20myTest(val)%20%7B%0A%20%20if%20(val%20%3E%3D%2020)%20%7B%20%20%2F%2F%20%E8%AF%B7%E4%BF%AE%E6%94%B9%E8%BF%99%E4%B8%80%E8%A1%8C%0A%20%20%20%20return%20%2220%20or%20Over%22%3B%0A%20%20%7D%0A%20%20%0A%20%20if%20(val%20%3E%3D%2010)%20%7B%20%20%2F%2F%20%E8%AF%B7%E4%BF%AE%E6%94%B9%E8%BF%99%E4%B8%80%E8%A1%8C%0A%20%20%20%20return%20%2210%20or%20Over%22%3B%0A%20%20%7D%0A%0A%20%20return%20%229%20or%20Under%22%3B%0A%7D%0A%0A%2F%2F%20%E4%BD%A0%E5%8F%AF%E4%BB%A5%E4%BF%AE%E6%94%B9%E8%BF%99%E4%B8%80%E8%A1%8C%E6%9D%A5%E6%B5%8B%E8%AF%95%E4%BD%A0%E7%9A%84%E4%BB%A3%E7%A0%81%0AmyTest(9.5)%3B%0A) has an issue.
User Agent is: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.25 Safari/537.36 Core/1.70.3730.400 QQBrowser/10.5.3805.400.
Please describe how to reproduce this issue, and include links to screenshots if possible.

My code:
```javascript
function myTest(val) {
if (val >= 20) { // 请修改这一行
return "20 or Over";
}

if (val >= 10) { // 请修改这一行
return "10 or Over";
}

return "9 or Under";
}

// 你可以修改这一行来测试你的代码
myTest(9.5);

```

Open the linked “Comparison with the Greater Than Or Equal To Operator” challenge and reproduce the behavior with the provided myTest(9.5) example. Compare the observed result with the challenge’s stated expectations, then confirm the challenge content or validation gives the intended result for decimal inputs.

Written by the indexing model from the issue text.