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eveningwatereveningwater
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feat: 修改了代码段
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‎README.md‎

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- [排序索引值--2023-04-18](codes/javascript/sorted-index.md)
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- [根据回调函数查找排序索引值--2023-04-19](codes/javascript/sorted-index-by.md)
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- [查找排序最后插入索引值--2023-04-20](codes/javascript/sorted-last-index.md)
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- [根据回调函数查找排序最后插入索引值--2023-04-21](codes/javascript/sortedLastIndexBy.md)
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- [根据回调函数查找排序最后插入索引值--2023-04-21](codes/javascript/sorted-last-index-by.md)
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- [字符串分割成数组--2023-04-22](codes/javascript/splitLines.md)
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- [处理参数的函数--2023-04-23](codes/javascript/spreadOver.md)
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- [稳定排序--2023-04-24](codes/javascript/stableSort.md)

‎codes/javascript/html/sorted-last-index-by.html‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>sorted-last-index-by</title>
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</head>
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<body>
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<script>
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const sortedLastIndexBy = (arr, n, fn) => {
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const isDescending = fn(arr[0]) > fn(arr[arr.length - 1]);
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const val = fn(n);
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const index = arr
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.map(fn)
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.reverse()
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.findIndex(el => (isDescending ? val <= el : val >= el));
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return index === -1 ? 0 : arr.length - index;
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};
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</script>
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</body>
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</html>

codes/javascript/sortedLastIndexBy.md renamed to codes/javascript/sorted-last-index-by.md

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};
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```
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<div class="code-editor" data-url="codes/javascript/ts/sorted-last-index-by.ts" data-language="typescript"></div>
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> 调用方式:
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```js
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sortedLastIndexBy([{ x: 4 }, { x: 5 }], { x: 4 }, o => o.x); // 1
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```
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> 应用场景
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以下是一个实战<a href="codes/javascript/html/sorted-last-index-by.html" target="_blank" rel="noopener noreferrer">示例</a>:
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<div class="code-editor" data-url="codes/javascript/html/sorted-last-index-by.html" data-language="html"></div>
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结果如下:
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<iframe src="codes/javascript/html/sorted-last-index-by.html"></iframe>

‎codes/javascript/ts/sorted-last-index-by.ts‎

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const sortedLastIndexBy = <T>(arr: T[], n: T, fn: (v: T) => number) => {
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const isDescending = fn(arr[0]) > fn(arr[arr.length - 1]);
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const val = fn(n);
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const index = arr
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.map(fn)
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.reverse()
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.findIndex(el => (isDescending ? val <= el : val >= el));
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return index === -1 ? 0 : arr.length - index;
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};
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sortedLastIndexBy([{ x: 4 }, { x: 5 }], { x: 4 }, o => o.x); // 1

‎pages/sidebar.md‎

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- [排序索引值--2023-04-18](codes/javascript/sorted-index.md)
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- [根据回调函数查找排序索引值--2023-04-19](codes/javascript/sorted-index-by.md)
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- [查找排序最后插入索引值--2023-04-20](codes/javascript/sorted-last-index.md)
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- [根据回调函数查找排序最后插入索引值--2023-04-21](codes/javascript/sortedLastIndexBy.md)
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- [根据回调函数查找排序最后插入索引值--2023-04-21](codes/javascript/sorted-last-index-by.md)
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- [字符串分割成数组--2023-04-22](codes/javascript/splitLines.md)
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- [处理参数的函数--2023-04-23](codes/javascript/spreadOver.md)
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- [稳定排序--2023-04-24](codes/javascript/stableSort.md)

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