The provided code consists of several functions that manipulate strings in different ways. Let's break down each function and its purpose:
CONCAT_CAP(str1, str2):
This function takes two string parameters, str1 and str2.
It calls the upperMe function with str1 as an argument and stores the result in the stra variable.
It calls the upperMe function with str2 as an argument and stores the result in the strb variable.
It returns the concatenation of stra and strb using the concat method.
Overall, this function converts both input strings to uppercase and then concatenates them.
CONCAT_CAP2(str1, str2):
This function takes two string parameters, str1 and str2.
It retrieves the first character of str1 using the charAt method, converts it to uppercase, and assigns it to the firstLetter variable.
It concatenates str1 and str2 using the concat method and assigns the result to the concatVal variable.
It retrieves the first character of concatVal, converts it to uppercase, and assigns it back to the firstLetter variable.
It converts the remaining characters of concatVal to lowercase and assigns them to the restVals variable using the slice and toLowerCase methods.
It returns the concatenation of firstLetter and restVals.
This function capitalizes the first letter of the resulting concatenation of str1 and str2 and converts the remaining characters to lowercase.
upperMe(val):
This function takes a string parameter, val.
It logs the val to the Logger for debugging purposes.
It retrieves the first character of val using the charAt method, converts it to uppercase, and assigns it to the firstLetter variable.
It converts the remaining characters of val to lowercase and assigns them to the restVals variable using the slice and toLowerCase methods.
It returns the concatenation of firstLetter and restVals.
This function capitalizes the first letter of val and converts the remaining characters to lowercase.
test():
This function is not used within the provided code and has no impact on the execution of the other functions. It logs the value of the val variable (which is set to 'laurence') when called, but it does not return any value.
In summary, the code provides three functions (CONCAT_CAP, CONCAT_CAP2, and upperMe) that manipulate strings in various ways such as converting characters to uppercase or lowercase, concatenating strings, and capitalizing the first letter. The test() function is not directly related to the other functions and serves as a standalone test function.
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