nth()
Gets the value at the specified position in an array or an array-like object.
This function is valid in
v2.0.0 to v2.1.0.
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Parameters
{Array|Arguments|Object}
arr
Array or array-like object from which to pull the value.
{number}
n
The position from which the value should be pulled. If this is a negative number the position will be calculated from the end of arr.
Returns