7.4.4 Addition Operator (+)

Used to sum two numbers or perform string concatenation.
Syntax
result = expression1 + expression2
Arguments
- result
- Any variable.
- expression1
- Any expression.
- expression2
- Any expression.
Remarks
The underlying subtype of the expressions determines the behavior of the + operator.
If
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Then
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Both expressions are numeric or Boolean
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Add.
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Both expressions are strings
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Concatenate.
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One expression is numeric and the other is a string
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Concatenate.
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