擅长:python、mysql、java
<p><code>Sort</code>改变原始数组,因此需要创建数组的副本。这里我使用<code>...</code>扩展语法来创建原始数组的浅拷贝</p>
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<pre class="snippet-code-js lang-js prettyprint-override"><code>function keepOriginalArray(arr){
let storeWithoutSorting = [...arr];
arr.sort()
return storeWithoutSorting
}
console.log(keepOriginalArray(['b', 'a']))</code></pre>
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