Map Is Not A Function Javascript: The object.map is not a function error occurs because the map(). Web because the calling object is not an array, the error is triggered: Map is not a function” error will appear if you call the array.map () method on a value or an.

Map Is Not A Function Javascript

The object.map is not a function error occurs because the map(). Web syntax js map(callbackfn) map(callbackfn, thisarg) parameters callbackfn a function to execute for each. Web i am trying to extract date, expenseinfo, category and amount from the expenses array.