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Language/Type: JavaScript arrays stutter

Write a function stutter that takes an array of Strings as a parameter and that replaces every String with two of that String. For example, if an array stores the values ["how", "are", "you?"] before the function is called, it should store the values ["how", "how", "are", "are", "you?", "you?"] after the function finishes executing.

Type your JavaScript solution code here:

This is a function exercise. Write a JavaScript function as described. Do not write a complete program; just the function(s) above.

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