Sort array in ascending or descending order using sort function

Array :

let k=[1,3,11,2,33,22]


Result :

Here the array just sorted based on the ASCI values, so how to make it such way that it can return the array in ascending sort order.

k.sort((a,b)=>{return a-b})
use the fat arrow function
Result : [1,2,3,11,22,33]

descending sort order.
k.sort((a,b)=>{return b-a})

Result : [33,22,11,3,2,1]

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/* androidsharp */