Adds the specified number to the value currently assigned to a variable.
The value of the variable is set to the sum of its current value and the specified number. If the variable does not currently have a numerical value, the specified value will be assigned to the variable directly.
|number||The amount to add to the value of the variable|
|variable name||The name of the variable whose value is being changed|
Found a bug in the documentation? Let us know at email@example.com