Using the toString() method on an array will return a string representation of the array:
const list = [1, 2, 3, 4]
list.toString()
Example:
The join() method of an array returns a concatenation of the array elements:
const list = [1, 2, 3, 4]
list.join()
We can pass a parameter to this method to add a custom separator:
a.join(', ')
Example:
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