valuea + valueb
Operand types:
valuea: String or Array
valueb: String or Array
Type of returned value:
String or Array
Description:
valuea and valueb are concatenated
Example:
String concatentation - "I" + " am" + " blind" ..........Result is "I am blind"
Array concatenation - [0, 1, 2] + [1, 2, 3] ..........Result is [0, 1, 2, 1, 2, 3]