String.Concat Method

Explanation	Concatenates the string specified in the argument to the original string. This method updates the value of the String object.
Call format	var s = str.Concat( text_1 [, text_2 [, … ] ] )
Return value	Concatenated string
Arguments	String text_n	String to concatenate If multiple specifications are specified, all will be concatenated.
Exception	Func-4	Invalid argument
Example of use	`var str = new String("ABC"); print(str.Concat("DEF", "GHI"), "\n"); print(str, "\n");`
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