Array.Sort Google core array size more than 10 sorted fields are returned in an array that is not the original array

1. If the data size is less than or equal to 10 is normal

2. Data size greater than 10

Implementation principle of Array.Sort in 3.js

Definition: the sort () method is used to sort the elements of an array.
API syntax: Arrayobject.sort (sortby), parameter SortBy optional, used to specify collation, must be a function.
How is it implemented?
The V8 engine sort function gives only two sorts: Insertionsort and QuickSort, the array length is less than or equal to 10 with the insertion sort insertionsort, and the 10 larger array uses the Quick sort QuickSort
Address: Https://github.com/v8/v8/blob/master/src/js/array.js
Mozilla/firefox: Merge sort (jsarray.c source)
Webkit: The underlying implementation uses the Qsort () method in the C + + library (JSArray.cpp source code)

Reference Link: http://blog.csdn.net/coder_chenz/article/details/77156047

Array.Sort Google core array size more than 10 sorted fields are returned in an array that is not the original array