Filter Unique Characters
Given a string
myString as an input, write a JS program to find the unique characters from the myString.
Quick Tip
You can use the array method indexOf().
Sample Input 1
Was it a cat I saw?
Sample Output 1
[
'W', 'a', 's', ' ',
'i', 't', 'c', 'I',
'w', '?'
]
Sample Input 2
I did, did I?
Sample Output 2
[ 'I', ' ', 'd', 'i', ',', '?' ]
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