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Use the newest vesion of the JavaScript library.

Recurring Digits
Unit Test
function recurDigits(strNum, digit) {
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XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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5 points

Write a recursive function that counts the number of recurring digits in a number represented as a string!

Example: 9 in "592349 => 2
Input: (592349, 9)
Expected Output: 2

Hint: use parseInt and .slice!

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JavaScript (function)