Firebase.update failed : first argument contains undefined in property

Question

I have a simple Firebase function that updates some data. However, the interpreter says that the first argument contains \"undefined\" in property \'users.tester1\'. Can somebod

Answer 1

to make sure your object does not contain any undefined props use this simple trick:

JSON.parse( JSON.stringify(YourJsonData ) )

For more info take a look at this codePen: http://codepen.io/ajmueller/pen/gLaBLX