Removes whitespace from the start and end of a String without changing the middle.
trim() trims whitespace characters such as spaces, carriage returns, tabs, Unicode "nbsp" character.
The parameter, str, is the string to trim. If a single string is passed, as in trim(' pad '), a single string is returned. If an array of strings is passed, as in trim([' pad ', '\n space \n']), an array of strings is returned.
Examples
Syntax
trim(str)trim(strs)Parameters
str
String:
string to trim.
strs
String[]:
strings to trim.
Returns
String: trimmed string.
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