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/** * Sorts an array. * @param compareFn Function used to determine the order of the elements. It is expected to return * a negative value if first argument is less than second argument, zero if they're equal and a positive * value otherwise. If omitted, the elements are sorted in ascending, ASCII character order. * ```ts * [11,2,22,1].sort((a, b) => a - b) * ``` */sort(compareFn?: (a: T,b: T)=>number): this;
使用 sort 对数组进行排序[3,15,8,29,102,22]
sort()
方法用原地算法对数组的元素进行排序,并返回数组。默认排序顺序是在将元素转换为字符串,然后比较它们的 UTF-16 代码单元值序列时构建的采用的
utf-16
,常见的字符数字
英语大小写
汉字
,在数组内进行排序,并不会生成新数组,整体按照:数字》英语大写》英语小写》汉字自定义排序的规则
总结
阮老师 字符编码
步骤
案例
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