rank": [ { "uid": 10002, "total_score": 100, "nickname": "5b6u5L+h55So5oi3", "headImg": "https://thirdwx.qlogo.cn/mmopen/vi_32/Q3auHgzwzM4cmTqC5fmc7UjuGAEPt6IYibmzK55xZsDqZXMhvtxCcibiaXaxoR3zr9w1fpFibkkSEZJSJqPT1AelUQ/132" }, { "uid": 10001, "total_score": 30, "nickname": "MTDwn6SU", "headImg": "https://thirdwx.qlogo.cn/mmopen/vi_32/FT36mibc818WMUROI3tTQRMCX7aAxU2zYibrgzHLYpOicozeYTZG941cY967TypWLNtz2MWXWjr6cNebKs8FhwsOw/132" }, { "uid": 10003, "total_score": 0, "nickname": "5b6u5L+h55So5oi3", "headImg": "https://thirdwx.qlogo.cn/mmopen/vi_32/Q3auHgzwzM6a9BjP3CWZhdZUQsicTvibbHXMv6PeFErWmnszZLjpczEAWTCMfjJdWRVWu2eSnmA9FyhO85PVvwYQ/132" } ], 如何判断该数组内有没有我提供的uid 使用js 实现
时间: 2023-08-11 12:04:24 浏览: 110
你可以使用JavaScript的数组方法`some`来判断数组中是否存在指定的uid。`some`方法会遍历数组中的个元素,如果有任何一个元素满足给定的条件,则返回`true`,否则返回`false`。
以下是使用JavaScript实现判断数组中是否存在指定uid的示例代码:
```javascript
const uidToFind = 10002; // 要查找的uid
const rank = [
{
uid: 10002,
total_score: 100,
nickname: "5b6u5L+h55So5oi3",
headImg: "https://thirdwx.qlogo.cn/mmopen/vi_32/Q3auHgzwzM4cmTqC5fmc7UjuGAEPt6IYibmzK55xZsDqZXMhvtxCcibiaXaxoR3zr9w1fpFibkkSEZJSJqPT1AelUQ/132"
},
{
uid: 10001,
total_score: 30,
nickname: "MTDwn6SU",
headImg: "https://thirdwx.qlogo.cn/mmopen/vi_32/FT36mibc818WMUROI3tTQRMCX7aAxU2zYibrgzHLYpOicozeYTZG941cY967TypWLNtz2MWXWjr6cNebKs8FhwsOw/132"
},
{
uid: 10003,
total_score: 0,
nickname: "5b6u5L+h55So5oi3",
headImg: "https://thirdwx.qlogo.cn/mmopen/vi_32/Q3auHgzwzM6a9BjP3CWZhdZUQsicTvibbHXMv6PeFErWmnszZLjpczEAWTCMfjJdWRVWu2eSnmA9FyhO85PVvwYQ/132"
}
];
const hasUid = rank.some((item) => item.uid === uidToFind);
console.log(hasUid); // 输出: true
```
在上面的示例中,我们定义了要查找的uid为`10002`,然后使用`some`方法遍历`rank`数组,判断每个元素的uid是否等于要查找的uid。如果找到了匹配的uid,则`hasUid`变量为`true`,否则为`false`。最后我们输出结果,这里输出为`true`,表示数组中存在指定的uid。
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