Write a javascript function that calculate and return the number of possible permutation without repetition from a 4 digit number
$10-30 USD
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Create a javascript function that calculate and return the number of possible permutation without repetition from a 4 digit number.
Example 1
4 digit number = 3333
Number of permutation = 1
Example 2
4 digit number = 1112
Number of permutation = 4
Example 3
4 digit number = 4554
Number of permutation = 6
Example 4
4 digit number = 2339
Number of permutation = 12
Example 5
4 digit number = 1234
Number of permutation = 24
项目ID： #8839359
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Hi there, I can make it in next few hours, let's discuss further, thanks. Best regarddddddddd. Jangkoo
有4名威客正在参与此工作的竞标，均价$30/小时
Hello buddy, I am java developer. Matter of an hour for me. Done this kind of lots of stuff before. Message me, waiting for your reply.
