Array Sorting in Javascript
For those who is looking for deep understanding of Array then please watch below video first then watch this tutorial:
Basic concept of Array : • Arrays in JavaScript | JavaScript Array
Reverse Order of Array: • Array Reverse() | Javascript
This tutorial is about sorting of an array:
arr.sort() function is used to sort the array in place in a given order according to the compare() function. If the function is omitted then the array is sorted in ascending order.
Arguments
The only argument to this function is a compare function that is used to sort the elements according to different attributes and in the different order.
compareFunction(a,b) greater than 0
Then a comes before b in the answer.
compareFunction(a,b) greater than 0
Then b comes before a in the answer.
compareFunction(a,b) = 0
Then the order of a and b remains unchanged.
Return value
This function returns the reference of the sorted original array.
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