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Write a program to check if number has equal digit count and digit value

How to find frequency of characters in a string in JavaScript?

Write a program to find the robot return to origin

Write a program to match decrement increment string

Write a program to check if all characters have equal number of occurrences

Write a program to generate a string with characters that have odd counts

Write a program to decrypt string from alphabet to integer mapping

Write a program to determine color of a chessboard square

Write a program to find increasing decreasing string

JavaScript coding challenges