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JavaScript JavaScript Arrays Multidimensional Arrays Create a Multidimensional Array

Posted by Peter Huang
Peter Huang
5,427 Points

what " arr.length " does.

Inside the for() loop - I dont get what " arr.length " does.

I know it's to check the length but length for what? It's set to arr

1 Answer

Steven Parker
Steven Parker
231,275 Points
Steven Parker
Steven Parker
231,275 Points

It's the length of the array stored in "arr", essentially how many items the array is holding.