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See Also Applies To
Retrieves the character at the index specified.
The index argument is the zero-based index of the desired character. Valid values are between 0 and the length of the string minus 1.
The charAt method returns a character value equal to the character at the specified index. The first character in a string is at index 0, the second is at index 1, and so forth. Values of index out of valid range return undefined.